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Prof Leigh Signal BAv, DipBusStud, MA, PhD

Professor in Fatigue Management and Sleep Health/Associate Dean, Research

School of Health Sciences

Dr. Leigh Signal is an Associate Professor and is portfolio director of the Fatigue Management and Sleep Health group at the Sleep/Wake Research Centre, Massey University, Wellington. Leigh trained as a Commercial Pilot and then completed a Master’s degree in Industrial and Organisational Psychology before completing her PhD in Public Health at the Sleep/Wake Research Centre.

Leigh is involved in both basic and applied sleep and circadian research with her work spanning two main areas. The first is focused on identifying, managing and mitigating fatigue in applied settings, particularly for the aviation industry. She has worked with aircraft manufacturers, international airlines and regulators and has conducted studies on board aircraft and in the laboratory environment. Leigh provides advice to industry groups and regulators on the management of fatigue and has been an invited member of two International Civil Aviation Organisation Fatigue Risk Management Task Forces to establish global rules and guidelines for managing fatigue in air traffic control and helicopter operations.

Leigh has received funding from New Zealand research agencies to undertake basic sleep science and community based research. This body of work has been focused on understanding basic sleep processes, particularly sleep inertia, and the sleep health of women and children. She is interested in understanding the sleep of women across the perinatal period, the relationship between sleep and mental health, and ways we can support women to maintain good sleep health and mental health across this timeframe. She also has an interest in understanding inequities in sleep for women and children and the sociodemographic factors that drive these differences.

Dr. Leigh Signal is an Associate Professor and portfolio director of the Fatigue Management and Sleep Health group at the Sleep/Wake Research Centre. Leigh is involved in both basic and applied sleep and circadian research with her work focused on two areas. The first is identifying, managing and mitigating fatigue in applied settings, particularly for the aviation industry. Her second area of research interest is in understanding the sleep of women across the perinatal period, the relationship between sleep and mental health, and ways we can support women to maintain good sleep health and mental health across this timeframe.

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Professional

Contact details

Ph: ext 63257
Location: 4D24, Block 4
Campus: Wellington

Qualifications

Bachelor of Aviation - Massey University (1995)
Diploma in Business Studies - Massey University (1990)
Master of Arts - Massey University (1997)
Doctor of Philosophy - University of Otago (2002)

Research Expertise

Research Interests

Her current work is focused in three main areas: understanding the role of sleep and fatigue on performance and safety in applied settings, particularly in the aviation industry; characterising sleep across the perinatal period and the relationship with maternal health; and investigating the time course and magnitude of sleep inertia and changes to sleep at moderate altitudes under controlled laboratory conditions. She is also interested in the role of sleep in infant and child health and development, and the links between sleep duration and performance and health outcomes.

Research Opportunities

Who are the short sleepers? (01/06/2020) This study is focused on understanding that factors that drive people to be short sleepers. We have an existing dataset that would be suitable for a Master's thesis student.

Thematics

Health and Well-being

Area of Expertise

Field of research codes
Environmental and Occupational Health and Safety (111705): Medical And Health Sciences (110000): Mental Health (111714): Public Health and Health Services (111700): Public Health and Health Services not elsewhere classified (111799)

Keywords

sleep, circadian health, fatigue, fatigue risk management, fatigue risk management systems, occupational health and safety, aviation, transportation, maternal mental health, pregnancy, perinatal, child sleep, adolescent sleep, sleep health, sleep health inequities,

Research Projects

Summary of Research Projects

Position	Current	Completed
Key Researcher / Named Investigator / Associate Investigator	2	0
Project Leader	10	66
Team Member	0	2

Completed Projects

Project Title: Sleep in Pregnancy & Postpartum: the relationship to maternal health

The aim of the present study is to investigate the relationship between sleep in late pregnancy and mode of delivery, and sleep early in the postpartum period and changes in postpartum mood. 500 Maori and 500 non-Maori women will be recruited into the study during late pregnancy, at which time they will complete a questionnaire on sleep, lifestyle, social support, mood and health. At 6 weeks postpartum women will be asked 3 questions on sleep via a telephone interview, and at 12 weeks postpartum they will complete a second questionnaire, similar to the first but also incorporating questions on the birth and infant. Information from the first questionnaire will be matched with birth data, and data from all questionnaires related to a measure of postpartum mood/depression. This research will be fundamental in advancing understanding of the links between maternal sleep, birth outcomes and postnatal mental health.

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Date Range: 2009 - 2012

Funding Body: Health Research Council of New Zealand

Project Team:

Prof Leigh Signal - Project Leader

Project Title: Waking up can be hard to do: unravelling the dynamics of sleep inertia

Waking up is a process we all experience at least once a day, yet on some occasions it can seem difficult and take a significant amount of time. The confusion, grogginess, low arousal and reduced functioning experienced on awakening has been well documented and is known as sleep inertia. Previous research indicates that a number of factors can influence the severity and duration of the transition to full wakefulness. These include the stage of sleep a person wakes from, having more deep sleep, being awake for a long period of time prior to sleep, the time of day or night when awakening occurs, and the measure used to quantify sleep inertia. The proposed study involves naps of 20, 40 and 60 minutes ending at 1200 after 30 hours of wakefulness. Intensive testing will occur immediately following awakening to accurately measure sleep inertia. This study builds on our previous work to systematically manipulate the factors affecting the magnitude and time course of sleep inertia after naps at different times of the day and night. It will significantly advance basic scientific understanding of the dynamics of sleep inertia and is directly relevant to the issue of workplace napping in safety critical settings.

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Date Range: 2009 - 2012

Funding Body: Royal Society of New Zealand

Project Team:

Prof Leigh Signal - Project Leader

Project Title: Sleep during Pregnancy and Postpartum: The relationship with maternal health

These changes should be used to inform women about the extent of change in sleep, particularly early post-partum, and to help health-care providers identify women experiencing severe sleep loss and disruption and discuss possible coping strategies with them.

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Date Range: 2007 - 2008

Funding Body: Health Research Council of New Zealand

Project Team:

Prof Leigh Signal - Project Leader
Prof Philippa Gander - Team Member

Research Outputs

Journal

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Signal, TL., van den Berg, M., Zaslona, J., Wu, L., Hughes, M., Johnston, B., . . . Glover, M. (2024). Managing the challenge of fatigue for pilots operating ultra-long range flights.. Frontiers in Environmental Health. 2, 1-13
[Journal article]Authored by: Signal, T., van den Berg, M.

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van den Berg, MJ., Zaslona, JL., Muller, DP., Wu, L., Hughes, M., Johnston, B., . . . Signal, TL. (2023). Managing cabin crew fatigue during ultra-long range operations. Frontiers in Environmental Health. 2, Retrieved from https://www.frontiersin.org/articles/10.3389/fenvh.2023.1329206/full
[Journal article]Authored by: Muller, D., Signal, T., van den Berg, M.

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Paine, SJ., Walker, R., Lee, A., Loring, B., & Signal, TL. (2023). Associations between maternal stressful life events and child health outcomes in indigenous and non-indigenous groups in New Zealand. Kotuitui.
[Journal article]Authored by: Signal, T.

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Muller, D., Signal, TL., Shanthakumar, M., & Paine, SJ. (2023). Sleep inequities and associations between poor sleep and mental health for school-aged children: findings from the New Zealand Health Survey. SLEEP Advances. 4(1)
[Journal article]Authored by: Muller, D., Signal, T.

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Breheny, M., Ross, I., Ladyman, C., Signal, L., Dew, K., & Gibson, R. (2023). “It's Just [Complicated] Sleep”: Discourses of Sleep and Aging in the Media. Gerontologist. 63(10), 1591-1601
[Journal article]Authored by: Gibson, R., Signal, T.

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Castro, N., Zieff, G., Bates, LC., Pagan Lassalle, P., Higgins, S., Faulkner, J., . . . Stoner, L. (2023). A Cross-Sectional Investigation of Preadolescent Cardiometabolic Health: Associations with Fitness, Physical Activity, Sedentary Behavior, Nutrition, and Sleep. Children. 10(2)
[Journal article]Authored by: Signal, T.

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Barber, C., Hetrick, S., Edmonds, L., Taylor, RW., Alansari, M., Signal, L., . . . Galland, B. (2023). Sleep-in to stay well: addressing school start times for the health and wellbeing of teens in Aotearoa. New Zealand Medical Journal. 136(1568), 98-104
[Journal article]Authored by: Signal, T.

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Muller, D., Paine, SJ., & Signal, TL. (2023). The role of sleep in health and health inequities in early childhood in Aotearoa New Zealand. Journal of the Royal Society of New Zealand. 53(5), 570-586
[Journal article]Authored by: Muller, D., Signal, T.

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Muller, D., Santos-Fernandez, E., McCarthy, J., Carr, H., & Signal, TL. (2022). Erratum: Who meets national early childhood sleep guidelines in Aotearoa New Zealand? A cross-sectional and longitudinal analysis (Sleep Advances DOI: 10.1093/sleepadvances/zpac002). SLEEP Advances. 3(1)
[Journal article]Authored by: Muller, D., Signal, T.

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Castro, N., Bates, LC., Zieff, G., Lassalle, PP., Faulkner, J., Lark, S., . . . Stoner, L. (2022). Adiposity in preadolescent children: Associations with cardiorespiratory fitness. PLoS ONE. 17(10 October)
[Journal article]Authored by: Signal, T.

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Ladyman, C., Sweeney, B., Sharkey, K., Bei, B., Wright, T., Mooney, H., . . . Signal, TL. (2022). A scoping review of non-pharmacological perinatal interventions impacting maternal sleep and maternal mental health. BMC Pregnancy and Childbirth. 22(1)
[Journal article]Authored by: Cunningham, C., Firestone, R., Mooney, H., Signal, T.

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Muller, D., Santos-Fernández, E., McCarthy, J., Carr, H., & Signal, TL. (2022). Who meets national early childhood sleep guidelines in Aotearoa New Zealand? A cross-sectional and longitudinal analysis. SLEEP Advances. 3(1)
[Journal article]Authored by: Muller, D., Signal, T.

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Signal, TL., Sweeney, BM., Muller, DP., Ladyman, CI., Wu, L., & Paine, SJ. (2022). Moe Kura: a longitudinal study of mother and child sleep and well-being in Aotearoa New Zealand. Journal of the Royal Society of New Zealand. 52(3), 283-300
[Journal article]Authored by: Muller, D., Signal, T.

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Paine, SJ., Walker, R., Lee, A., & Signal, TL. (2023). Inequities in maternal stressful life events between Indigenous and non-Indigenous women–evidence from a prospective cohort study in New Zealand. Critical Public Health. 33(2), 207-217
[Journal article]Authored by: Signal, T.

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Castro, N., Diana, J., Blackwell, J., Faulkner, J., Lark, S., Skidmore, P., . . . Stoner, L. (2021). Social Jetlag and Cardiometabolic Risk in Preadolescent Children. Frontiers in Cardiovascular Medicine. 8
[Journal article]Authored by: Signal, T.

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Steenekamp, T., Zaslona, J., Gander, P., Rowlands, D., & Leigh Signal, T. (2021). Sleep/wake behaviour of competitive adolescent athletes in New Zealand: insight into the impact of early morning training. Sleep Medicine. 77, 88-95
[Journal article]Authored by: Rowlands, D., Signal, T.

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Vincent, GE., Kovac, K., Signal, L., Reynolds, AC., Paterson, J., Sprajcer, M., . . . Ferguson, SA. (2021). What Factors Influence the Sleep of On-call Workers?. Behavioral Sleep Medicine. 19(2), 255-272
[Journal article]Authored by: Signal, T.

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Ladyman, C., Signal, TL., Sweeney, B., Jefferies, M., Gander, P., Paine, SJ., . . . Huthwaite, M. (2021). Multiple dimensions of sleep are consistently associated with chronically elevated depressive symptoms from late pregnancy to 3 years postnatal in Indigenous and non-Indigenous New Zealand women. Australian and New Zealand Journal of Psychiatry. 55(7), 687-698
[Journal article]Authored by: Signal, T.

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Muller, D., Paine, SJ., Wu, LJ., & Signal, TL. (2020). Sleep timing and sleep problems of preschoolers in Aotearoa/New Zealand: relationships with ethnicity and socioeconomic position. Sleep Medicine. 76, 1-9
[Journal article]Authored by: Muller, D., Signal, T.

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Sweeney, BM., Leigh Signal, T., & Babbage, DR. (2020). Effect of a behavioral-educational sleep intervention for first-time mothers and their infants: Pilot of a controlled trial. Journal of Clinical Sleep Medicine. 16(8), 1265-1274
[Journal article]Authored by: Signal, T.

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Ladyman, C., Signal, TL., Sweeney, B., Gander, P., Paine, SJ., & Huthwaite, M. (2020). A pilot longitudinal sleep education intervention from early pregnancy and its effect on optimizing sleep and minimizing depressive symptoms. Sleep Health. 6(6), 778-786
[Journal article]Authored by: Signal, T.

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Ladyman, C., Gander, P., Huthwaite, M., Sweeney, B., & Signal, TL. (2021). Sleep HAPi: A Feasibility and Descriptive Analysis of an Early and Longitudinal Sleep Education Intervention for Pregnant Women. Behavioral Sleep Medicine. 19(4), 427-444
[Journal article]Authored by: Signal, T.

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Paine, SJ., Signal, TL., Sweeney, B., Priston, M., Muller, D., Smith, A., . . . Lee, K. (2020). Maternal sleep disturbances in late pregnancy and the association with emergency caesarean section: A prospective cohort study. Sleep Health. 6(1), 65-70
[Journal article]Authored by: Muller, D., Signal, T.

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Signal, TL., van den Berg, MJ., & Mulrine, HM. (2019). Personal and work factors that predict fatigue-related errors in aircraft maintenance engineering. Aerospace Medicine and Human Performance. 90(10), 860-866
[Journal article]Authored by: Signal, T., van den Berg, M.

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Kindleysides, S., Kruger, R., Douwes, J., Tannock, GW., Renall, N., Slater, J., . . . Breier, BH. (2019). Predictors linking obesity and the gut microbiome (the PROMISE Study): Protocol and recruitment strategy for a cross-sectional study on pathways that affect the gut microbiome and its impact on obesity. JMIR Research Protocols. 8(8)
[Journal article]Authored by: Douwes, J., Firestone, R., Renall, N., Signal, T.

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Muller, D., Paine, SJ., Wu, LJ., & Signal, TL. (2019). How long do preschoolers in Aotearoa/New Zealand sleep? Associations with ethnicity and socioeconomic position. Sleep Health. 5(5), 452-458
[Journal article]Authored by: Muller, D., Signal, T.

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van den Berg, MJ., Signal, TL., & Gander, PH. (2019). Perceived Workload Is Associated with Cabin Crew Fatigue on Ultra-Long Range Flights. International Journal of Aerospace Psychology. 29(3-4), 74-85
[Journal article]Authored by: Signal, T., van den Berg, M.

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Muller, D., Paine, SJ., Wu, LJ., & Signal, TL. (2019). “Their Sleep Means More Harmony”: Maternal Perspectives and Experiences of Preschoolers’ Sleep in Ethnically and Socioeconomically Diverse Families in Aotearoa/New Zealand. Qualitative Health Research. 29(14), 2023-2034
[Journal article]Authored by: Muller, D., Signal, T.

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Van den Berg, MJ., Signal, TL., & Gander, PH. (2020). Fatigue risk management for cabin crew: The importance of company support and sufficien rest for work-life balance—a qualitative study. Industrial Health. 58(1), 2-14
[Journal article]Authored by: Signal, T., van den Berg, M.

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Muller, D., Paine, SJ., Wu, LJ., & Signal, TL. (2019). “We're doing the best job we can”: maternal experiences of facilitators and barriers to preschoolers sleeping well in Aotearoa/New Zealand. Sleep Health. 5(3), 248-256
[Journal article]Authored by: Muller, D., Signal, T.

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Ladyman, C., & Signal, TL. (2018). Sleep Health in Pregnancy: A Scoping Review. Sleep Medicine Clinics. 13(3), 307-333
[Journal article]Authored by: Signal, T.

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Zaslona, JL., O’Keeffe, KM., Signal, TL., & Gander, PH. (2018). Shared responsibility for managing fatigue: Hearing the pilots. PLoS ONE. 13(5)
[Journal article]Authored by: O'Keeffe, K., Signal, T.

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Wu, LJ., Gander, PH., van den Berg, M., & Signal, TL. (2018). Equivalence testing as a tool for fatigue risk management in aviation. Aerospace Medicine and Human Performance. 89(4), 383-388
[Journal article]Authored by: Signal, T., van den Berg, M.

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Stoner, L., Castro, N., Signal, L., Skidmore, P., Faulkner, J., Lark, S., . . . Harrex, H. (2018). Sleep and Adiposity in Preadolescent Children: The Importance of Social Jetlag. Childhood Obesity. 14(3), 158-164
[Journal article]Authored by: Muller, D., Signal, T.

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Cosgrave, J., Wu, LJ., van den Berg, M., Leigh Signal, T., & Gander, PH. (2018). Sleep on long haul layovers and pilot fatigue at the start of the next duty period. Aerosp Med Hum Perform. Aerospace Medicine and Human Performance. 89(1), 19-25
[Journal article]Authored by: Signal, T., van den Berg, M.

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Gander, P., Mangie, J., Wu, L., van den Berg, M., Signal, L., & Phillips, A. (2017). Preparing safety cases for operating outside prescriptive fatigue risk management regulations. Aerospace Medicine and Human Performance. 88(7), 688-696
[Journal article]Authored by: Signal, T., van den Berg, M.

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Muller, D., Signal, L., Elder, D., & Gander, P. (2017). Environmental and behavioural factors associated with school children's sleep in Aotearoa/New Zealand. Journal of Paediatrics and Child Health. 53(1), 68-74
[Journal article]Authored by: Muller, D., Signal, T.

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Signal, TL., Paine, SJ., Sweeney, B., Muller, D., Priston, M., Lee, K., . . . Huthwaite, M. (2017). The prevalence of symptoms of depression and anxiety, and the level of life stress and worry in New Zealand Māori and non-Māori women in late pregnancy. Australian and New Zealand Journal of Psychiatry. 51(2), 168-176
[Journal article]Authored by: Muller, D., Signal, T.

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Gander, P., Mulrine, HM., van den Berg, MJ., Wu, L., Smith, A., Signal, L., . . . Mangie, J. (2016). Does the circadian clock drift when pilots fly multiple transpacific flights with 1- to 2-day layovers?. Chronobiology International. 33(8), 982-994
[Journal article]Authored by: Signal, T., van den Berg, M.

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Wu, LJ., Gander, PH., van den Berg, MJ., & Signal, TL. (2016). Estimating long-haul airline pilots' at-home baseline sleep duration. Sleep Health. 2(2), 143-145
[Journal article]Authored by: Signal, T., van den Berg, M.

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Wu, BW., Skidmore, PM., Orta, OR., Faulkner, J., Lambrick, D., Signal, L., . . . Stoner, L. (2016). Genotype vs. Phenotype and the Rise of Non-Communicable Diseases: The Importance of Lifestyle Behaviors During Childhood.. Cureus. 8(1), e458
[Journal article]Authored by: Signal, T.

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Howe, LD., Signal, TL., Paine, SJ., Sweeney, B., Priston, M., Muller, D., . . . Gander, P. (2015). Self-reported sleep in late pregnancy in relation to birth size and fetal distress: The E Moe, Ma¯ma¯ prospective cohort study. BMJ Open. 5(10)
[Journal article]Authored by: Muller, D., Signal, T.

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van den Berg, MJ., Signal, TL., Mulrine, HM., Smith, AAT., Gander, PH., & Serfontein, W. (2015). Monitoring and managing cabin crew sleep and fatigue during an ultra-long range trip. Aerospace Medicine and Human Performance. 86(8), 705-713
[Journal article]Authored by: Signal, T., van den Berg, M.

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Signal, TL., Mulrine, HM., van den Berg, MJ., Smith, AAT., Gander, PH., & Serfontein, W. (2014). Mitigating and monitoring flight crew fatigue on a westward ultra-long-range flight. Aviation Space and Environmental Medicine. 85(12), 1199-1208
[Journal article]Authored by: Signal, T., van den Berg, M.

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Signal, TL., Paine, SJ., Sweeney, B., Priston, M., Muller, D., Smith, A., . . . Gander, P. (2014). Prevalence of abnormal sleep duration and excessive daytime sleepiness in pregnancy and the role of socio-demographic factors: Comparing pregnant women with women in the general population. Sleep Medicine. 15(12), 1477-1483
[Journal article]Authored by: Muller, D., Signal, T.

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Castro, N., Faulkner, J., Skidmore, P., Williams, M., Lambrick, DM., Signal, L., . . . Stoner, L. (2014). Pre-adolescent cardio-metabolic associations and correlates: PACMAC methodology and study protocol. BMJ Open. 4(9)
[Journal article]Authored by: Muller, D., Signal, T.

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Gander, PH., Mulrine, HM., van den Berg, MJ., Smith, AAT., Signal, TL., Wu, LJ., . . . Belenky, G. (2015). Effects of sleep/wake history and circadian phase on proposed pilot fatigue safety performance indicators. Journal of Sleep Research. 24(1), 110-119
[Journal article]Authored by: Signal, T., van den Berg, M.

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Gander, PH., Mulrine, HM., van Den Berg, MJ., Smith, AAT., Signal, TL., Wu, LJ., . . . Belenky, G. (2014). Pilot fatigue: Relationships with departure and arrival times, flight duration, and direction. Aviation Space and Environmental Medicine. 85(8), 833-840
[Journal article]Authored by: Signal, T., van den Berg, M.

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Gander, PH., Mangie, J., Van Den Berg, MJ., Smith, AAT., Mulrine, HM., & Leigh Signal, T. (2014). Crew fatigue safety performance indicators for fatigue risk management systems. Aviation Space and Environmental Medicine. 85(2), 139-147
[Journal article]Authored by: Signal, T., van den Berg, M.

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Paine, SJ., Priston, M., Signal, TL., Sweeney, B., & Muller, D. (2013). Developing new approaches for the recruitment and retention of indigenous participants in longitudinal research: lessons from E Moe, Mama: Maternal Sleep and Health in Aotearoa/New Zealand. MAI journal. 2(2), 121-132 Retrieved from http://www.journal.mai.ac.nz/content/developing-new-approaches-recruitment-and-retention-indigenous-participants-longitudinal
[Journal article]Authored by: Muller, D., Signal, T.

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Gander, PH., Signal, TL., van den Berg, MJ., Mulrine, HM., Jay, SM., & Jim Mangie, C. (2013). In-flight sleep, pilot fatigue and Psychomotor Vigilance Task performance on ultra-long range versus long range flights. Journal of Sleep Research. 22(6), 697-706
[Journal article]Authored by: Signal, T., van den Berg, M.

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Gander, P., Van Den Berg, M., Mulrine, H., Signal, L., & Mangie, J. (2013). Circadian adaptation of airline pilots during extended duration operations between the USA and Asia. Chronobiology International. 30(8), 963-972
[Journal article]Authored by: Signal, T., van den Berg, M.

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Signal, TL., Gander, PH., Van Den Berg, MJ., & Graeber, RC. (2013). In-flight sleep of flight crew during a 7-hour rest break: Implications for research and flight safety. Sleep. 36(1), 109-115
[Journal article]Authored by: Signal, T., van den Berg, M.

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Mulrine, HM., Signal, TL., Berg, MJVD., & Gander, PH. (2012). Post-sleep inertia performance benefits of longer naps in simulated nightwork and extended operations. Chronobiology International. 29(9), 1249-1257
[Journal article]Authored by: Signal, T., van den Berg, M.

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Signal, TL., Van Den Berg, MJ., Mulrine, HM., & Gander, PH. (2012). Duration of sleep inertia after napping during simulated night work and in extended operations. Chronobiology International. 29(6), 769-779
[Journal article]Authored by: Signal, T., van den Berg, M.

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Campbell, AJ., Signal, TL., O'Keeffe, KM., & Bakker, JP. (2011). Narcolepsy in New Zealand: pathway to diagnosis and effect on quality of life.. The New Zealand medical journal. 124(1336), 51-61
[Journal article]Authored by: Signal, T.

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Campbell, AJ., Leigh Signal, T., O'Keeffe, KM., & Bakker, JP. (2011). Narcolepsy in new zealand: Pathway to diagnosis and effect on quality of life. New Zealand Medical Journal. 124(1336)
[Journal article]Authored by: O'Keeffe, K., Signal, T.

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Gander, P., Signal, L., Van Dongen, HPA., Muller, D., & Van Den Berg, M. (2010). Stable inter-individual differences in slow-wave sleep during nocturnal sleep and naps. Sleep and Biological Rhythms. 8(4), 239-244
[Journal article]Authored by: Muller, D., Signal, T., van den Berg, M.

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Signal, TL., Gander, PH., Anderson, H., & Brash, S. (2009). Scheduled napping as a countermeasure to sleepiness in air traffic controllers. Journal of Sleep Research. 18(1), 11-19
[Journal article]Authored by: Signal, T.

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Muhm, JM., Signal, TL., Rock, PB., Jones, SP., O'Keeffe, KM., Weaver, MR., . . . Belenky, G. (2009). Sleep at simulated 2438 m: Effects on oxygenation, sleep quality, and postsleep performance. Aviation Space and Environmental Medicine. 80(8), 691-697
[Journal article]Authored by: O'Keeffe, K., Signal, T.

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Signal, TL., Ratieta, D., & Gander, PH. (2008). Flight crew fatigue management in a more flexible regulatory environment: An overview of the New Zealand aviation industry. Chronobiology International. 25(2&3), 373-388
[Journal article]Authored by: Signal, T.

Gander, PH., Van den Berg, MJ., & Signal, TL. (2008). Sleep and sleepiness of fishermen on rotating schedules. Chronobiology International: The Journal of Biological and Medical Rhythm Research. 25(2&3), 389-398
[Journal article]Authored by: Signal, T., van den Berg, M.

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Gander, PH., & Signal, TL. (2008). Who is too old for shiftwork? Developing better criteria. Chronobiology International: The Journal of Biological and Medical Rhythm. 25(2&3), 199-213
[Journal article]Authored by: Signal, T.

Signal, TL., Gander, PH., Sangalli, MR., Travier, N., Firestone, RT., & Tuohy, JF. (2007). Sleep duration and quality in healthy nulliparous and multiparous women across pregnancy and post-partum. Australian and New Zealand Journal of Obstetrics and Gynaecology. 47(1), 16-22
[Journal article]Authored by: Signal, T.

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Gale, J., Signal, TL., Garden, AL., & Gander, PH. (2007). Electroencephalography artifacts in workplace alertness monitoring. Scandinavian Journal of Work, Environment and Health. 33(2), 148-152
[Journal article]Authored by: Signal, T.

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Signal, TL., & Gander, PH. (2007). Rapid counterclockwise shift rotation in air traffic control: Effects on sleep and night work. Aviation Space and Environmental Medicine. 78(9), 878-885
[Journal article]Authored by: Signal, T.

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Gale, J., Signal, TL., & Gander, PH. (2005). Statistical artifact in the validation of actigraphy [2]. Sleep. 28(8), 1017-1018
[Journal article]Authored by: Signal, T.

Signal, TL., Gale, J., & Gander, PH. (2005). Sleep measurement in flight crew: Comparing actigraphic and subjective estimates to polysomnography. Aviation Space and Environmental Medicine. 76(11), 1058-1063
[Journal article]Authored by: Signal, T.

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Signal, L., & Gander, PH. (2002). Psychomotor performance, improvements with a short workplace nap on the night shift: The benefits of stage 1 sleep.. SLEEP. 25, A116-A116
[Journal article]Authored by: Signal, T.

Signal, L., Gander, PH., & Millar, MA. (2002). Napping in the workplace: What are the implications for sleep length and structure?. SLEEP. 25, A87-A87
[Journal article]Authored by: Signal, T.

Signal, L., & Gander, PH. (2001). The effects of a rapidly rotating shift pattern on the sleep of air traffic controllers. SLEEP. 24, A187-A188
[Journal article]Authored by: Signal, T.

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Book

Signal, TL., van den Berg, M., Gander, P., & Graeber, RC. (2021). Fatigue Risk Management Systems. In M. Kryger, T. Roth, C. Goldstein, & W. Dement (Eds.) Principles and Practice of Sleep Medicine - 2 Volume Set. (pp. 788 - 795). Philadelphia, PA, USA: Elsevier
[Chapter]Authored by: Signal, T., van den Berg, M.

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Gander, PH., Wu, LJ., van den Berg, M., Lamp, A., Hoeg, L., & Belenky, G. (2017). Fatigue risk management systems. In MH. Kryger, T. Roth, & WC. Dement (Eds.) Principles and practice of sleep medicine. (pp. 697 - 707). Philadelphia, PA: Elsevier Saunders
[Chapter]Authored by: Signal, T., van den Berg, M.

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Thesis

van den Berg, M. (2019). Fatigue Risk Management Systems (FRMS) for Cabin Crew: Evaluation of the current status and future needs. (Doctoral Thesis)
[Doctoral Thesis]Authored by: van den Berg, M.Edited by: Signal, T.

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Zaslona, JL. (2017). In-flight sleep as a pilot fatigue mitigation on long range and ultra-long range flights. (Doctoral Thesis, Massey University, New Zealand) Zaslona, JL. (2017). In-flight sleep as a pilot fatigue mitigation on long range and ultra-long range flights. (Doctoral Thesis)
[Doctoral Thesis]Edited by: O'Keeffe, K., Signal, T.

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Sweeney, BMJ. (2014). Perinatal sleep and postnatal mood in New Zealand women: An investigation of the relationship and trial of a sleep education intervention. (Doctoral Thesis, Massey University, New Zealand) Sweeney, BMJ. (2014). Perinatal sleep and postnatal mood in New Zealand women: An investigation of the relationship and trial of a sleep education intervention. (Doctoral Thesis)
[Doctoral Thesis]Edited by: Signal, T.

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Report

van den Berg, M., Ladyman, C., & Signal, TL. (2023). Interim report Cabin Crew AKL-JFK-AKL ULR ROUTE. Sleep/Wake Research Centre, School of Health Sciences, Massey University.
[Commissioned Report]Authored by: Signal, T.

Signal, TL., van den Berg, M., & Ladyman, C. (2023). Identifying Fatigue Risks for Search and Rescue Crew at PHI Aviation in Western Australia. Sleep/Wake Research Centre, School of Health Sciences, Massey University.
[Commissioned Report]Authored by: Signal, T.

van den Berg, M., Zaslona, J., & Signal, TL. (2021). Evaluation of the effect of an altered crew complement on the sleep, fatigue and sleepiness of Air New Zealand flight crew on the Auckland - Chicago - Auckland ultra-long range route: Draft Report. Sleep/Wake Research Centre.
[Commissioned Report]Authored by: Signal, T., van den Berg, M.

van den Berg, M., O'Keeffe, K., & Signal, TL. (2021). Expert scientific review & comment on the proposed shift pattern change at Wellington Free Ambulance. Sleep/Wake Research Centre.
[Commissioned Report]Authored by: O'Keeffe, K., Signal, T., van den Berg, M.

Muller, D., Signal, TL., Santos-Fernandez, E., McCarthy, J., & Carr, H.(2020). Are New Zealand children meeting the Ministry of Health guidelines for sleep?.
[Technical Report]Authored by: Muller, D., Signal, T.

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Wu, L., van den Berg, M., Zaslona, J., & Signal, TL. (2020). Air New Zealand Top of Descent Fatigue Ratings Analysis.
[Commissioned Report]Authored by: Signal, T., van den Berg, M.

Signal, TL., Zaslona, J., van den Berg, M., & Wu, L. (2020). Identification of potential fatigue risks associated with the marine pilot transfer operation in Karratha Western Australia.
[Commissioned Report]Authored by: Signal, T., van den Berg, M.

van den Berg, M., Signal, TL., Muller, D., Zaslona, J., & Wu, L. (2020). Evaluation of the sleep, fatigue, sleepiness and workload of Air New Zealand cabin crew on the Auckland-Chicago-Auckland ultra long range route: Final Report.
[Commissioned Report]Authored by: Muller, D., Signal, T., van den Berg, M.

Signal, TL., van den Berg, M., Zaslona, J., & Wu, L. (2020). Evaluation of the sleep, fatigue, sleepiness and performance of Air New Zealand flight crew on the Auckland-Chicago-Auckland Ultra long range route: final report.
[Commissioned Report]Authored by: Signal, T., van den Berg, M.

Gander, P., Wu, L., van den Berg, M., Zaslona, J., Signal, TL., Mangie, J., . . . Phillips, A. (2019). Safety Case: Effects on Flight Crew Sleep of a Taper at the Foot of the Bunks in the Delta A350 Crew Rest Facility - Update December 2019 - With Findings from the Validation Study.
[Commissioned Report]Authored by: Signal, T., van den Berg, M.

Signal, TL., Zaslona, J., van den Berg, M., & Wu, L. (2019). A comparison of different roster patterns in Auckland Tower.
[Commissioned Report]Authored by: Signal, T., van den Berg, M.

Gander, PH., Zaslona, J., van den Berg, M., Wu, L., & Signal, TL. (2017). Safety case: Effects on flight crew sleep of a taper at the foot of the bunks in the Delta A350 crew rest facility. ( Report No. FAA validation study approval).
[Commissioned Report]Authored by: Signal, T., van den Berg, M.

Gander, PH., van den Berg, M., Wu, L., & Signal, TL. (2016). Safety Case for Managing Fatigue Risk on Short Haul Operations that Exceed 14 CFR Part 117 Flight Time Limits, Due to Unforeseen Circumstances. ( Report No. FAA validation study approval).
[Commissioned Report]Authored by: Signal, T., van den Berg, M.

van den Berg, MJ., Signal, TL., & Gander, P. (2016). Management of Coroners’ after-hours on-call duty: Expert review & comment. Sleep/Wake Research Centre, Massey University.
[Commissioned Report]Authored by: Signal, T., van den Berg, M.

Signal, TL.(2015). Review of Airways New Zealand’s Fatigue Management Policy.
[Technical Report]Authored by: Signal, T.

van den Berg, M., Signal, TL., Mulrine, H., Smith, AAT., & Gander, PH. (2014). Evaluation of the Sleep and Performance of South African Airways Cabin Crew on the Johannesburg-New York Ulta-Long Range Flight.
[Commissioned Report]Authored by: Signal, T., van den Berg, M.

Gander, PH., Mulrine, H., van den Berg, M., Smith, AAT., Wu, LJ., & Signal, TL. (2014). Flight Crew Sleep, Performance, and Fatigue During Extended Duration B747-400 Operations with Multiple Transpacific Flights..
[Commissioned Report]Authored by: Signal, T., van den Berg, M.

Signal, TL.(2014). Report on Skyline Aviation’s Flight and Duty Scheme and Fatigue Management System.
[Technical Report]Authored by: Signal, T.

Signal, TL.(2014). Report on Fatigue Management Processes and Systems at North Tugz Limited, Marsden Point, Whangarei.
[Technical Report]Authored by: Signal, T.

van den Berg, M., Signal, TL., Mulrine, HM., Smith, AAT., & Gander, PH.(2014). Evaluation of the Sleep and Performance of South African Airways Cabin Crew on the Johannesburg-New York Ultra Long Range Flight.. Wellington, New Zealand: Massey University
[Technical Report]Authored by: Signal, T.

Gander, PH., Mulrine, H., van den Berg, M., Smith, AAT., Signal, TL., Wu, LJ., . . . Belenky, G. (2013). Effects of extended flight and duty durations on flight cre fatigue: combined analyses of studies from Delta Air Lines, Singapore Airlies, South African Airways, and United Airlines.
[Commissioned Report]Authored by: Signal, T., van den Berg, M.

Gander, PH., Mulrine, H., van den Berg, MJ., Smith, AA., Signal, TL., Wu, L., . . . Belenky, G. (2013). Effects of Extended Flight and Duty Durations on Flight crew Fatigue - Combined analyses of studies from Delta Airlines, Singapore Airlines, South African Airways, and United Airlines.
[Commissioned Report]Authored by: Signal, T., van den Berg, M.

Signal, TL., Mulrine, H., van den Berg, MJ., Smith, AA., & Gander, PH. (2013). Evaluation of the sleep and performance of South African Airways Flight crew on the Johannesburg-New York Ultra Long Range flight.
[Commissioned Report]Authored by: Signal, T., van den Berg, M.

Signal, TL., Mulrine, H., van den Berg, MJ., Smith, AAT., & Gander, PH. (2012). Evaluation of Sleep and Performance of South African Airways Flight Crew on the Johannesburg-New York Ulta-Long Range Flight..
[Commissioned Report]Authored by: Signal, T., van den Berg, M.

Gander, PH., van den Berg, MJ., & Signal, TL. (2012). Evaluation of Flight Crew Sleep, Performance, and Fatigue During Extended 757/767 Operations Between the USA and Asia.
[Commissioned Report]Authored by: Signal, T., van den Berg, M.

Gander, PH., Mangie, J., Van den Berg, MJ., & Signal, TL.(2011). Using Safety Performance Indicators to Design Monitoring Studies in an FRMS.. Wellington: Massey University SWRC
[Technical Report]Authored by: Signal, T., van den Berg, M.

Gander, PH., Van den Berg, MJ., & Signal, TL. (2011). Comparing Sleep and Fatigue Measures on ATL-JNB-ATL and SIN-LAX-SIN ULR Trips..
[Commissioned Report]Authored by: Signal, T., van den Berg, M.

Gander, PH., Van den Berg, MJ., Jay, S., & Signal, TL. (2011). Comparison of Flight Crew Sleep and Fatigue during Delta Airlines Long Range and Ultra-Long Range Operations..
[Commissioned Report]Authored by: Signal, T., van den Berg, M.

Jay, SM., Signal, TL., O'Keeffe, KM., & Gander, PH.(2010). The effects of mild hypobaric hypoxia on oxygen saturation during sleep: an investigation of the physiologic mechanisms and significance (report on sleep and respiratory data).. Wellington: Massey University
[Technical Report]Authored by: Signal, T.

Gander, PH., Mangie, J., Signal, TL., & Thompson, G.(2008). Scientific and operational fatigue risk assessment of the Delta Atlanta-Mumbai-Atlanta service.
[Technical Report]Authored by: Signal, T.

Gander, PH., Signal, TL., & Garden, AL.(2008). Baseline survey of companies participating in the LTNZ fatigue management systems trial.
[Technical Report]Authored by: Signal, T.

Signal, TL., Gander, PH., Van den Berg, MJ., & O'Keeffe, KM.(2007). Time course and magnitude of sleep inertia: Interim progress report. Wellington: Massey University SWRC
[Technical Report]Authored by: O'Keeffe, K., Signal, T., van den Berg, M.

Signal, TL., O'Keeffe, KM., Gander, PH., & Van den Berg, MJ.(2007). Investigation to determine the effects of mild hypobaric hypoxia on sleep and post-sleep neurobehavioural performance: Report on sleep and oximetry data. Wellington, New Zealand: Sleep/Wake Research Centre
[Technical Report]Authored by: O'Keeffe, K., Signal, T., van den Berg, M.

Signal, TL., Ratieta, D., & Gander, PH.(2006). Fatigue management in the New Zealand aviation industry.
[Technical Report]Authored by: Signal, T.

Signal, TL., Van den Berg, MJ., & Travier, N.(2005). Safety Health of Maintenance Engineering: A Survey of Air New Zealand Engineering Services. SWRC: Massey University
[Technical Report]Authored by: Signal, T., van den Berg, M.

Gander, PH., Van den Berg, MJ., & Signal, TL.(2005). Sleep and fatigue on fresher vessels during the hoki season.
[Technical Report]Authored by: Signal, T., van den Berg, M.

Signal, TL., Van den Berg, MJ., Travier, N., & Gander, PH.(2004). Phase 3 ultra-long-range validation: Polysomnographic sleep and psychomotor performance: Final report. Wellington: Massey University, SWRC
[Technical Report]Authored by: Signal, T., van den Berg, M.

Signal, TL., Van den Berg, MJ., & Gander, PH.(2004). Phase 3 ultra-long-range validation: Polysomnographic sleep and psychomotor performance: Interim report. Wellington: Massey University SWRC
[Technical Report]Authored by: Signal, T., van den Berg, M.

Signal, TL., Gale, J., & Gander, PH.(2004). The measurement of in-flight sleep: A comparison of actigraphic and subjective measures with polysomnography.
[Technical Report]Authored by: Signal, T.

Signal, TL., Gander, PH., & Van Den Berg, MJ.(2003). Sleep during ultra-long range flights: A study of sleep on board the 777-200 ER during rest opportunities of 7 hours. Wellington: Massey University SWRC
[Technical Report]Authored by: Signal, T., van den Berg, M.

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Conference

van den Berg, M., Signal, TL., & Gander, P. (2021, May). Cabin crews’ views on managing fatigue and the importance of sufficient rest and company support – a qualitative study. Presented at Sleep in Aotearoa 2021. Wellington, New Zealand.
[Conference Oral Presentation]Authored by: Signal, T., van den Berg, M.

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Muller, D., Paine, S., Wu, LJ., & Signal, TL.ASSOCIATIONS BETWEEN ETHNICITY, SOCIOECONOMIC DEPRIVATION AND PRESCHOOLERS' SLEEP HEALTH IN AOTEAROA/NEW ZEALAND. SLEEP. (pp. A136 - A136). 0161-8105.
[Conference]Authored by: Muller, D., Signal, T.

Muller, D., Paine, S-J., Wu, L., & Signal, L.Ethnicity, socioeconomic position and preschoolers' sleep durations in Aotearoa/New Zealand: A mixed methods study. JOURNAL OF SLEEP RESEARCH. 0962-1105.
[Conference]Authored by: Muller, D., Signal, T.

Sweeney, BM., Signal, L., & Babbage, DR.(2012, June). PARENT INFORMATION ON PARENT AND INFANT SLEEP: TRIAL OF A SLEEP INTERVENTION FOR FIRST TIME MOTHERS IN EARLY POSTPARTUM. SLEEP. (pp. A417 - A417). 0161-8105.
[Conference]Authored by: Signal, T.

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Muller, D., Paine, S-J., Wu, LJ., & Signal, TL. (2020). Associations between ethnicity, socioeconomic deprivation and preschoolers’ sleep health in Aotearoa/New Zealand. Sleep. Vol. 43 (pp. A136 - A136). : Sleep 2020, the 34th Annual Meeting of the Associated Professional Sleep Societies
[Conference Paper in Published Proceedings]Authored by: Muller, D., Signal, T.

van den Berg, MJ., Wu, LJ., Gander, PH., Santos-Fernandez, E., & Signal, L.EVALUATING THE SENSITIVITY OF SLEEP MEASURES FOR MONITORING PILOT FATIGUE IN OPERATIONAL SETTINGS. SLEEP. (pp. A82 - A82). 0161-8105.
[Conference]Authored by: Signal, T., van den Berg, M.

Muller, D., Paine, S-J., Wu, LJ., & Signal, TL. (2019, October). Ethnicity, socioeconomic position and preschoolers’ sleep durations in Aotearoa/New Zealand: A mixed methods study. Presented at Sleep DownUnder, Australasian Sleep Association and Australasian Sleep Technologists Association 31st Annual Scientific Meeting. Sydney, Australia.
[Conference Oral Presentation]Authored by: Muller, D., Signal, T.

Zaslona, JL., van den Berg, M., Wu, LJ., & Signal, TL.Sleep is shortened prior to morning and night shifts in Air Traffic Controllers. JOURNAL OF SLEEP RESEARCH. 0962-1105.
[Conference]Authored by: Signal, T., van den Berg, M.

Signal, TL., Zaslona, JL., van den Berg, MJ., & Wu, LJ.Chronic sleep restriction only reduces performance when it accrues rapidly. JOURNAL OF SLEEP RESEARCH. 0962-1105.
[Conference]Authored by: Signal, T., van den Berg, M.

van den Berg, M., Signal, TL., & Gander, PH.Cabin crews' views on managing fatigue and the importance of sufficient rest and company support: a qualitative study. JOURNAL OF SLEEP RESEARCH. 0962-1105.
[Conference]Authored by: Signal, T., van den Berg, M.

Gander, PH., Mulrine, H., van den Berg, M., Wu, L., Smith, AAT., Signal, TL., . . . Mangie, J. (2017, October). Measuring circadian disruption across multiple trans-meridian flights. Presented at Australasian Chronobiology Society 14th Annual Scientific Meeting. Waiheke Island, New Zealand.
[Conference Oral Presentation]Authored by: Signal, T., van den Berg, M.

Wu, LJ., Gander, PH., Van den Berg, MJ., Signal, TL., & Mulrine, HM. (2016). Patterns of recovery sleep of pilots following multiple trans-Pacific flights. In Sleep Vol. 39 (pp. A197 - A197). , 30th Annual Meeting of the Associated Professional Sleep Societies: Oxford University Press (OUP)
[Conference Abstract]Authored by: Signal, T., van den Berg, M.

Zaslona, JL., O'Keeffe, KM., Signal, TL., & Gander, PH. (2016). Pilots' self-reported fatigue management on long-range and ultra-long-range routes. In SLEEP: Journal of Sleep and Sleep Disorders Research Vol. 39 (pp. A71 - A71). , 30th Annual Meeting of the Associated Professional Sleep Societies: Associated Professional Sleep Societies
[Conference Abstract]Authored by: O'Keeffe, K., Signal, T.

Gander, PH., Mulrine, H., van den Berg, M., Wu, L., Smith, AAT., Signal, TL., . . . Belenky, G. (2015, October). Psychomotor vigilance task performance in multi-pilot airline crews: a cautionary tale. Presented at 27th ASM of Australasian Sleep Association and Australasian Sleep Technologists Association. Melbourne, Australia.
[Conference Oral Presentation]Authored by: Signal, T., van den Berg, M.

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Gander, P., Mulrine, H., van den Berg, M., Wu, L., Smith, A., Signal, TL., . . . Belenky, G.(2015, October 22). Psychomotor vigilance task performance in multi-pilot airline crews: a cautionary tale. In Sleep and Biological Rhythms Vol. 13 (pp. 47 - 47). , 27th Annual Scientific Meeting of Australasian Sleep Association and Australasian Sleep Technologists Associaiton: Wiley
[Conference Abstract]Authored by: Signal, T., van den Berg, M.

Zaslona, JL., O'Keeffe, KM., Signal, TL., & Gander, PH. (2015). Pilots' perspectives on in-flight sleep facilities: A retrospective study of data from four airlines. In SLEEP: Journal of Sleep and Sleep Disorders Research Vol. Abstract Supplement (pp. A128 - A128). , 29th Annual Meeting of the Associated Professional Sleep Societies, LLC: American Academy of Sleep Medicine
[Conference Abstract]Authored by: O'Keeffe, K., Signal, T.

Sweeney, BM., Signal, TL., Paine, S-J., Muller, D., Priston, M., Huthwaite, M., . . . Gander, PH. (2015). Magnitude and chronicity of changes in sleep quantity and quality are associated with postnatal depression. In Journal of Sleep and Sleep Disorders Vol. 38 (pp. A408 - A408). , 29th Annual Meeting of the Associated Professional Sleep Societies: Assciation Professional Sleep Societies
[Conference Abstract]Authored by: Muller, D., Signal, T.

Muller, D., Paine, SJ., Signal, TL., Sweeney, BM., Priston, M., Huthwaite, M., . . . Gander, PH. (2015). Population-level, socio-demographic factors associated with infants’ sleep patterns and environments in Aotearoa/New Zealand. In Journal of Sleep and Sleep Disorders Research Vol. 38 (pp. A27 - A27). , SLEEP 2015 29th Annual Meeting of the Associated Professional Sleep Societies: Association of Professional Sleep Societies
[Conference Abstract]Authored by: Muller, D., Signal, T.

van den Berg, MJ., Signal, TL., & Gander, PH. (2015). Greater subjective workload is associated with higher cabin crew fatigue on ULR flights. In SLEEP Vol. 38 (pp. A87 - A87). , SLEEP 2015, the 29th Annual Meeting of the Associated Professional Sleep Societies: Associated Professional Sleep Societies
[Conference Abstract]Authored by: Signal, T., van den Berg, M.

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Gander, PH., mulrine, H., van den berg, M., smith, ATT., signal, TL., wu, L., . . . belenky, G. (2014, July). Flight duration is not the whole story: effects of flight timing and direction on fatigue at top of descent. Presented at FRMS Forum 6th Conference. Singapore.
[Conference Oral Presentation]Authored by: Signal, T., van den Berg, M.

Signal, TL., Paine, SJ., Sweeney, BM., Muller, D., Priston, M., Smith, AAT., . . . Gander, PH. (2014). Depressive symptoms in late pregnancy are associated with sleep duration, quality, and symptoms of sleep disorders. In Sleep and Biological Rhythms Vol. 12 (pp. 57 - 57). , Sleep DownUnder 2014 ASM, Sleep Frontiers, 26th ASM of Australasian Sleep Association and Australasian Sleep Technologists Association
[Conference Abstract]Authored by: Muller, D., Signal, T.

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Muller, D., Sweeney, BM., Signal, TL., Paine, SJ., Priston, M., Smith, AAT., . . . Gander, PH. (2014). Changes in sleep across the pre- and peri-natal period for Māori and non-Māori women in Aotearoa/New Zealand. Vol. 12 (pp. 75 - 75). , Sleep DownUnder 2014 ASM, Sleep Frontiers, 26th ASM of Australasian Sleep Association and Australasian Sleep Technologists Association
[Conference Abstract]Authored by: Muller, D., Signal, T.

Signal, TL. (2014, October). Sleep in late pregnancy and the relationship to symptoms of depression. Presented at 24th Annual Scientific Meeting of the Australasian Sleep Association and Australasian Sleep Technologists Association. Perth, Australia.
[Conference Oral Presentation]Authored by: Signal, T.

Signal, TL. (2014, October). Promoting questions raised in the field and getting them to the bench.. Presented at 24th Annual Scientific Meeting of the Australasian Sleep Association and Australasian Sleep Technologists Association.. Perth, Australia.
[Conference Oral Presentation]Authored by: Signal, T.

Signal, TL. (2013, June). The Science Behind Fatigue. Presented at Fatigue Risk Management Conference. Auckland, New Zealand.
[Conference Oral Presentation]Authored by: Signal, T.

Signal, TL. (2013, September). Sleep in late pregnancy and the relationship to maternal health. Presented at World Congress on Sleep Medicine. Valencia, Spain.
[Conference Oral Presentation]Authored by: Signal, T.

Signal, TL., Paine, SJ., Sweeney, BM., Muller, D., Smith, AA., Priston, M., . . . Gander, PH. (2013). Factors influencing sleep duration and daytime sleepiness in pregnant women compared to women in the general population. In Journal of Sleep & Sleep Disorders Research Vol. Abstract supplement (pp. 329 - 329). , Associated Professional Sleep Societies, 27th Annual Meeting: American Academy of Sleep Medicine
[Conference Abstract]Authored by: Signal, T.

Sweeney, BM., Signal, TL., Paine, SJ., Muller, D., Smith, AA., Priston, M., . . . Huthwaite, M. (2013). Sleep duration in the early postpartum: age and ethnicity make a difference.. In SLEEP Vol. Abstract supplement (pp. 328 - 328). , Associated Professional Sleep Societies, 27th Annual Meeting: American Academy of Sleep Medicine
[Conference Abstract]Authored by: Signal, T.

Gander, PH., Signal, TL., van den Berg, MJ., Mulrine, HM., Jay, SM., & Mangie, JC. (2013). In-flight sleep, fatigue and PVT performance of flight crew on ultra-long range versus long range flights. In SLEEP Vol. Abstract supplement (pp. 60 - 60). , Associated Professional Sleep Societies, 27th Annual Meeting: American Academy of Sleep Medicine
[Conference Abstract]Authored by: Signal, T.

Signal, TL., Paine, S-J., Sweeney, B., Priston, M., Muller, D., Gander, P., . . . Huthwaite, M. (2012). Sleep and sleepiness in late pregnancy: comparisons with women in the general population. Sleep and Biological Rhythms. Vol. S1 (pp. 36 - 36). : Sleep DownUnder, Australasian Sleep Association and Australasian Sleep Technologists Association 24th Annual Scientific Meeting
[Conference Paper in Published Proceedings]Authored by: Muller, D., Signal, T.

Paine, S-J., Signal, TL., Sweeney, B., Priston, M., Muller, D., Gander, P., . . . Huthwaite, M. (2012). Comparing sleep duration and quality prior to and during late pregnancy: Results from a large sample of New Zealand women. Sleep and Biological Rhythms. Vol. S1 (pp. 60 - 60). : Sleep DownUnder, Australasian Sleep Association and Australasian Sleep Technologists Association 24th Annual Scientific Meeting
[Conference Paper in Published Proceedings]Authored by: Muller, D., Signal, T.

Muller, D., Signal, TL., Paine, S-J., Sweeney, B., Priston, M., Gander, P., . . . Huthwaite, M. (2012). Sleep disturbance during late pregnancy in New Zealand women. Sleep and Biological Rhythms. Vol. S1 (pp. 69 - 69). : Sleep DownUnder, Australasian Sleep Association and Australasian Sleep Technologists Association 24th Annual Scientific Meeting
[Conference Paper in Published Proceedings]Authored by: Muller, D., Signal, T.

Signal, TL. (2012, June). Sleep in Late Pregnancy: What is “Normal” and What is Not?. Presented at Perinatal Sleep Colloquium. Providence, RI, USA.
[Conference Oral Presentation]Authored by: Signal, T.

Signal, TL. (2012, October). Sleep and sleepiness in late pregnancy: Comparisons with women in the general population. Presented at 22nd Annual Scientific Meeting of the Australasian Sleep Association and Australasian Sleep Technologists Association. Darwin, Australia.
[Conference Oral Presentation]Authored by: Signal, T.

Signal, TL. (2012, October). Measuring sleep in flight: Issues associated with the use of actigraphy.. Presented at 22nd Annual Scientific Meeting of the Australasian Sleep Association and Australasian Sleep Technologists Association. Darwin, Australia.
[Conference Oral Presentation]Authored by: Signal, T.

Signal, TL. (2012, October). The Balance between Science and Family. Presented at 22nd Annual Scientific Meeting of the Australasian Sleep Association and Australasian Sleep Technologists Association. Darwin, Australia.
[Conference Oral Presentation]Authored by: Signal, T.

Signal, TL., Mulrine, HM., van den Berg, MJ., Gander, PH., & Van Dongen, H. (2012). Sleep inertia effects on performance are trait-like during the biological night but appear to be more state-dependent during the biological day. In SLEEP Vol. Abstract supplement (pp. 120 - 120). , Associated Professional Sleep Societies, 26th Annual Meeting: American Academy of Sleep Medicine
[Conference Abstract]Authored by: Signal, T.

Sweeney, BM., Signal, TL., & Babbage, D. (2012, June). Parent Information on Parent and Infant Sleep: A Trial of a Sleep Intervention for First Time Mothers in Early Postpartum. Presented at 26th Annual Meeting of the Associated Professional Sleep Societies, LLC. Boston, Massachusetts.
[Conference Oral Presentation]Authored by: Signal, T.

Signal, TL., Paine, SJ., Sweeney, BM., Priston, M., Muller, D., Gander, P., . . . Huthwaite, M. (2012). Sleep and sleepiness in late pregnancy: comparisons with women in the general population.. Poster session presented at the meeting of Australasian Sleep Association and Australasian Sleep Technologists Association 24th Annual Scientific Meeting
[Conference Poster]Authored by: Signal, T.

Muller, D., Signal, TL., Paine, SJ., Sweeney, BM., Priston, M., Gander, P., . . . Huthwaite, M. (2012). Sleep disturbance during late pregnancy in New Zealand women. Poster session presented at the meeting of Australasian Sleep Association and Australasian Sleep Technologists Association 24th Annual Scientific Meeting
[Conference Poster]Authored by: Signal, T.

Sweeney, B., Signal, TL., & Babbage, D. (2012). Poster: Differences in accuracy of self-reported sleep duration between women who receive prenatal sleep education and those who do not. In Sleep and Biological Rhythms Vol. 10 (pp. 59 - 59). , Sleep Down Under 2012: 24th Annual Scientific Meeting of the Australasian Sleep Association and the Australasian Sleep Technologists Association: Sleep Up Top: John Wiley & Sons and Japanese Society of Sleep Research
[Conference Abstract]Authored by: Signal, T.

Read Online:

Read Abstract: abstract icon

Sweeney, B., Signal, TL., & Babbage, D. (2012). Differences in accuracy of self-reported sleep duration between women who receive prenatal sleep education and those who do not. Poster session presented at the meeting of Sleep Down Under 2012: 24th Annual Scientific Meeting of the Australasian Sleep Association and the Australasian Sleep Technologists Association: Sleep Up Top. Darwin, NT, Australia
[Conference Poster]Authored by: Signal, T.

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Signal, L., Mulrine, HM., van den Berg, MJ., Gander, PH., & van Dongen, H. (2012). SLEEP INERTIA EFFECTS ON PERFORMANCE ARE TRAIT-LIKE DURING THE BIOLOGICAL NIGHT BUT APPEAR TO BE MORE STATE-DEPENDENT DURING THE BIOLOGICAL DAY. In SLEEP Vol. 35 (pp. A120 - A120). , Annual Meeting of the Associated-Professional-Sleep-Societies (APSS): AMER ACAD SLEEP MEDICINE
[Conference Abstract]Authored by: Signal, T., van den Berg, M.

Signal, TL. (2011, July). Sleep and Performance during Ultra Long Range Flights.. Presented at The 3rd Massey University and Aviation Industry Association sponsored Aviation Education Symposium. Wellington, New Zealand.
[Conference Oral Presentation]Authored by: Signal, T.

Sweeney, B., Signal, T., & Babbage, DR. (2011, August). PIPIS Project: Trial of a sleep education intervention for first time mothers.. Presented at Sleep in Aotearoa: combined meeting of the Australasian Sleep Technologists Association and Australasian Sleep Association (NZ).. Wellington, New Zealand.
[Conference Oral Presentation]Authored by: Signal, T.

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Muller, D., Signal, TL., Elder, D., & Gander, P. (2010). Objectively and subjectively measured sleep of 6 - 8-year-old New Zealand children. Sleep and Biological Rhythms. Vol. S1 (pp. A36 - A36). : Sleep DownUnder: Australasian Sleep Association and Australasian Sleep Technologists Association 22nd Annual Scientific Meeting
[Conference Paper in Published Proceedings]Authored by: Muller, D., Signal, T.

Signal, TL. (2010, March). Sleep changes during the perinatal period: Implications for maternal health. Presented at 14th Annual Conference of the Perinatal Society of Australia and New Zealand. Wellington, New Zealand.
[Conference Oral Presentation]Authored by: Signal, T.

Signal, TL. (2010). Sleep changes during the perinatal period: Implications for maternal health. In Journal of Paediatrics and Child Health Vol. Suppl 1 (pp. 3). , 14th Annual Conference of the Perinatal Society of Australia and New Zealand
[Conference Abstract]Authored by: Signal, T.

Innes, CRH., Poudel, GR., Leigh Signal, T., & Jones, RD. (2010). Behavioural microsleeps in normally-rested people. 2010 Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBC'10. (pp. 4448 - 4451).
[Conference Paper in Published Proceedings]Authored by: Signal, T.

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Jones, RD., Poudel, GR., Innes, CRH., Davidson, PR., Peiris, MTR., Malla, AM., . . . Bones, PJ. (2010). Lapses of responsiveness: Characteristics, detection, and underlying mechanisms. 2010 Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBC'10. (pp. 1788 - 1791).
[Conference Paper in Published Proceedings]Authored by: Signal, T.

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Muller, D., Signal, T., Elder, D., & Gander, P. (2010). Objectively and subjectively measured sleep of 6-8-year-old New Zealand children. In Sleep and Biological Rhythms Vol. Suppl 1 (pp. A36 - A36). , 22nd Annual Scientific Meeting of Australasian Sleep Association and Australasian Sleep Technologists Association: Sleep and Biological Rhythms
[Conference Abstract]Authored by: Signal, T.

Signal, T., Van den Berg, M., Mulrine, H., & Gander, P. (2010). Sleep inertia after naps is short-lived and not perceived. In Sleep and Biological Rhythms Vol. Suppl 1 (pp. A69 - A69). , 22nd Annual Scientific Meeting of Australasian Sleep Association and Australasian Sleep Technologists Association: Sleep and Biological Rhythms
[Conference Abstract]Authored by: Signal, T., van den Berg, M.

Sweeney, B., Signal, T., Paine, T., Lee, K., Huthwaite, M., & Gander, P. (2010). Enhancing recruitment and retention in a large scale, longitudinal study of sleep and maternal health. In Sleep and Biological Rhythms Vol. Suppl 1 (pp. A72 - A72). , 22nd Annual Scientific Meeting of Australasian Sleep Association and Australasian Sleep Technologists Association
[Conference Abstract]Authored by: Signal, T.

van den Berg, M., Signal, T., Mulrine, H., & Gander, P. (2010). A longer nap following extended wakefulness sustains performance while a short nap does not. In Sleep and Biological Rhythms Vol. Suppl 1 (pp. A69 - A70). , 22nd Annual Scientific Meeting of Australasian Sleep Association and Australasian Sleep Technologists Association: Sleep and Biological Rhythms
[Conference Abstract]Authored by: Signal, T., van den Berg, M.

Mulrine, H., Signal, T., Van den Berg, M., & Gander, P. (2010). Sleep inertia after naps is not more severe when waking from slow wave sleep. In Sleep and Biological Rhythms Vol. Suppl 1 (pp. A59 - A59). , 22nd Annual Scientific Meeting of Australasian Sleep Association and Australasian Sleep Technologists Association: Sleep and Biological Rhythms
[Conference Abstract]Authored by: Signal, T., van den Berg, M.

Muller, D., Gander, P., van den Berg, M., Signal, TL., & van Dongen, H. (2009). Inter-individual variability in nocturnal sleep versus nap sleep. Sleep and Biological Rhythms. Vol. S1 (pp. A47 - A47). : Sleep DownUnder, Australasian Sleep Association and Australasian Sleep Technologists Association 21st Annual Scientific Meeting
[Conference Paper in Published Proceedings]Authored by: Muller, D., Signal, T., van den Berg, M.

Signal, TL. (2009, June). Sleep Issues in Healthy Nulliparous and Multiparous Women during Pregnancy. Presented at 23rd Annual Meeting of the Associated Professional Sleep Societies. Seattle, WA.
[Conference Oral Presentation]Authored by: Signal, T.

Poudel, GR., Jones, RD., Innes, CRH., Watts, R., Signal, TL., & Bones, PJ.fMRI correlates of behavioural microsleeps during a continuous visuomotor task. Proceedings of the 31st Annual International Conference of the IEEE Engineering in Medicine and Biology Society: Engineering the Future of Biomedicine, EMBC 2009. (pp. 2919 - 2922).
[Conference]Authored by: Signal, T.

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Poudel, GR., Jones, RD., Innes, CR., Watts, R., Signal, TL., & Bones, PJ. (2009). fMRI correlates of behavioural microsleeps during a continuous visuomotor task.. Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Conference. Vol. 2009 (pp. 2919 - 2922).
[Conference Paper in Published Proceedings]Authored by: Signal, T.

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Sweeney, B., Signal, T., Jones, L., & Gander, P. (2009). Baby on board: Sleep changes in pregnancy and postpartum and their relationship to self-reported drowsy driving behaviour. In Sleep and Biological Rhythms Vol. Supplement s1 (pp. A73 - A73). , Australasian Sleep Association and Australasian Sleep Technologies Association 21st Annual Scientific Meeting: Visions of the Night: Sleep, Science and Research on the World Stage: John Wiley & Sons
[Conference Abstract]Authored by: Signal, T.

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Muller, D., Gander, P., Van den Berg, M., Signal, T., & Van Dongen, H. (2009). Interindividual variability in nocturnal sleep versus nap sleep. In Sleep and Biological Rhythms Vol. Suppl 1 (pp. A47 - A48). , 21st Annual Scientific Meeting of the Australasian Sleep Association and Australasian Sleep Technologists Association.: Japanese Society of Sleep Research
[Conference Abstract]Authored by: Signal, T., van den Berg, M.

Gander, P., Mangie, J., & Signal, T. (2009). Fatigue risk management for pilots flying ultra-long range operations. In Sleep and Biological Rhythms Vol. Suppl 1 (pp. A36 - A36). , 21st Annual Scientific Meeting of the Australasian Sleep Association and Australasian Sleep Technologists Association: Japanese Society of Sleep Research
[Conference Abstract]Authored by: Signal, T.

Gander, P., & Signal, T. (2009). Sleep in the air. In Sleep and Biological Rhythms(pp. A13 - A13). , 21st Annual Scientific Meeting of the Australasian Sleep Association and Australasian Sleep Technologists Assciation: Japanese Society of Sleep Research
[Conference Abstract]Authored by: Signal, T.

Muller, D., van den Berg, M., Signal, TL., Garden, A., & Gander, P. (2008). A systematic analysis of waking EEG data to determine the time course and magnitude of sleep inertia. Sleep and Biological Rhythms. Vol. S1 (pp. A53 - A53). : Sleep DownUnder, Australasian Sleep Association and Australasian Sleep Technologists Association 20th Annual Scientific Meeting
[Conference Paper in Published Proceedings]Authored by: Muller, D., Signal, T., van den Berg, M.

Sweeney, B., Signal, TL., Gander, P., & Elison-Loschmann, L. (2008). Sleep and sleepiness in late pregnancy. In Sleep and Biological Rhythms Vol. 6 (pp. A42 - A42). , 20th Annual Scientific Meeting of the Australasian Sleep Association and the 20th Annual Scientific Meeting of the Australian Sleep Technologists Association: John Wiley & Sons
[Conference Abstract]Authored by: Signal, T.

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Signal, TL. (2008, June). Sleep and Psychomotor Performance during Commerical Ultra-Long-Range Flights. Presented at Aviation Fatigue Management Symposium: Partnerships for Solutions. Tysons Corner, Virginia.
[Conference Oral Presentation]Authored by: Signal, T.

Muhm, M., Signal, TL., Rock, P., Jones, S., O'Keeffe, KM., Weaver, M., . . . Belenky, G. (2008, October). Sleep and oxygen saturation at 8000 feet. Presented at The 20th Annual Scientific Meeting of the Australasian Sleep Technologists Association. Adelaide, South Australia.
[Conference Oral Presentation]Authored by: Signal, T.

Poudel, GR., Jones, RD., Innes, CRH., Davidson, PR., Watts, R., Signal, TL., . . . Bones, PJ. (2008). Increased multisensory activity during cued slow-eye-closure while performing a visuomotor task: an fMRI study. In Australasian Physical and Engineering Sciences in Medicine Vol. 4 (pp. 488 - 489). , EPSM-ABEC 2008 Conference
[Conference Abstract]Authored by: Signal, T.

Muller, D., van den Berg, M., Signal, TL., & Garden, A. (2008). A systematic analysis of waking EEG data to determine the magnitude and time course of sleep inertia. In Sleep and Biological Rhythms Vol. Suppl 1 (pp. A53). , 20th ASM of Australasian Sleep Association and Australasian Sleep Technologists Association
[Conference Abstract]Authored by: Signal, T.

Gander, PH., Garden, A., Signal, TL., & Sweeney, B. (2008). Driver fatigue levels in trucking companies entering a fatigue management system trial. In Sleep and Biological Rhythms Vol. Suppl 1 (pp. A19). , 20th ASM of Australasian Sleep Association and Australasian Sleep Technologists Association
[Conference Abstract]Authored by: Signal, T.

Gander, PH., Signal, TL., Garden, A., & Sweeney, B. (2008). Comparing the views of drivers and managers/dispatchers in trucking companies entering a fatigue risk management system trial. In Sleep and Biological Rhythm Vol. Suppl 1 (pp. A18). , 20th ASM of Australasian Sleep Association and Australasian Sleep Technologists Association
[Conference Abstract]Authored by: Signal, T.

Gander, P., & Signal, L.Who is too old for shift work? Developing better criteria. Chronobiology International. 25 (2-3)(pp. 199 - 213). 0742-0528.
[Conference]Authored by: Signal, T.

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Gander, P., Van Den Berg, M., & Signal, L.Sleep and sleepiness of fishermen on rotating schedules. Chronobiology International. 25 (2-3)(pp. 389 - 398). 0742-0528.
[Conference]Authored by: Signal, T., van den Berg, M.

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Poudel, GR., Jones, RD., Innes, CRH., Davidson, PR., Watts, R., Signal, TL., . . . Bones, PJ. (2008). Functional-MRI correlates of cued slow-eye-closure and task non-responsiveness during visuomotor tracking. Proceedings of the 30th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBS'08 - "Personalized Healthcare through Technology". (pp. 4122 - 4125).
[Conference Paper in Published Proceedings]Authored by: Signal, T.

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Muhm, M., Signal, TL., Rock, P., Jones, S., O'Keeffe, KM., Weaver, M., . . . Belenky, G. (2008). Sleep and oxygen saturation at 8000 feet. In Sleep and Biological Rhythms Vol. Suppl 1 (pp. A17 - A18). , The 20th Annual Scientific Meeting of the Australasian Sleep Technologists Association: Wiley-Blackwell
[Conference Abstract]Authored by: O'Keeffe, K., Signal, T.

Gander, PH., Van den Berg, MJ., & Signal, TL. (2009). Sleep and sleepiness of fishermen on rotating schedules. In Shiftwork International Newsletter Vol. 1 (pp. 45). , Proceedings of the 18th International Symposium on Shiftwork and Working Time: Shiftwork International Newsletter, Vol. 25, No, 1
[Conference Abstract]Authored by: Signal, T., van den Berg, M.

Signal, TL., Ratieta, D., & Gander, PH. (2009). Managing fatigue in a more flexible regulatory environment: The New Zealand aviation industry. In Shiftwork International Newsletter Vol. 1 (pp. 88). , Proceedings of the 18th International Symposium on Shiftwork and Working Time: Shiftwork International Newsletter, Vol. 25, No, 1
[Conference Abstract]Authored by: Signal, T.

Signal, TL., Ratieta, D., & Gander, PH. (2007, August). Managing fatigue in a more flexible regulatory environment: The New Zealand aviation industry. Presented at 18th International Symposium on Shiftwork and Working Time. Yeppoon, QLD.
[Conference Oral Presentation]Authored by: Signal, T.

Gander, PH., Van den Berg, MJ., & Signal, TL. (2007). Sleep and sleepiness of fishermen on rotating schedules. Poster session presented at the meeting of 18th International Symposium on Shiftwork and Working Time. Yeppoon, QLD
[Conference Poster]Authored by: Signal, T., van den Berg, M.

Signal, TL., Van den Berg, MJ., & Gander, PH. (2007). Sleep at work: How does it differ from sleep in non-work settings?. In Sleep and Biological Rhythms Vol. Suppl 1 (pp. A104 - A105). , worldsleep07: 5th Congress of the World Federation of Sleep Research and Sleep Medicine Societies: Blackwell [Sleep and Biological Rhythms, Vol. 5, Suppl. 1]
[Conference Abstract]Authored by: Signal, T., van den Berg, M.

Campbell, A., Signal, TL., & O'Keeffe, KM. (2006). Narcolepsy in New Zealand. In Sleep and Biological Rhythms Vol. Suppl 1 (pp. A22). , 19th Annual Scientific Meeting of the Australasian Sleep Association and the Australasian Sleep Technologists Association
[Conference Abstract]Authored by: O'Keeffe, K., Signal, T.

Signal, TL., Gale, J., & Gander, PH. (2005). Polysomnographic and subjective measures of sleep: how well do they measure the sleep of flight crew?. In Sleep Vol. Abstract supplement (pp. 321 - 321). , 19th Annual Meeting of the Associated Professional Sleep Societies
[Conference Abstract]Authored by: Signal, T.

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Peiris, MTR., Jones, RD., Davidson, PR., Carroll, GJ., Signal, TL., Parkin, PJ., . . . Bones, PJ. (2005). Identification of vigilance lapses using EEG/EOG by expert human raters. Annual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings. Vol. 7 VOLS (pp. 5735 - 5737).
[Conference Paper in Published Proceedings]Authored by: Signal, T., van den Berg, M.

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Signal, L., Gale, J., & Gander, PH. (2005). Actigraphic and subjective measures of sleep: How well do they measure the sleep of flight crew?. In SLEEP Vol. 28 (pp. A321 - A321). , 19th Annual Meeting of the Associated-Professional-Sleep-Societies: AMER ACADEMY SLEEP MEDICINE
[Conference Abstract]Authored by: Signal, T.

Gander, PH., Signal, TL., & Gale, V. (2005). Comparison between PSG, actigraphy, and subjective report for measuring in-flight sleep. In Proceedings of the Aerospace Medical Association 76th Scientific Meeting(pp. 260). : Aerospace Medical Association [Aviation, Space, and Environmental Medicine, Vol. 76, No. 3]
[Conference Abstract]Authored by: Signal, T.

Signal, TL., Van den Berg, MJ., & Gander, PH. (2005). Sleep quality and quantity during ultra-long-range flights. In Proceedings of the Aerospace Medical Association 76th Scientific Meeting(pp. 243). : Aerospace Medical Association [Aviation, Space, and Environmental Medicine, Vol. 76, No. 3]
[Conference Abstract]Authored by: Signal, T., van den Berg, M.

Signal, TL. (2005). Factors affecting physiological alertness during long-range flights. In Aerospace Medical Association 76th Scientific Meeting(pp. 248). : Aerospace Medical Association [Aviation, Space, and Environmental Medicine, Vol. 76, No. 3]
[Conference Abstract]Authored by: Signal, T.

Signal, TL., Van den Berg, MJ., & Gander, PH. (2005, May). Sleep quality and quantity during ultra-long-range flights. Presented at Aerospace Medical Association 76th Scientific Meeting. Kansas City, MO.
[Conference Oral Presentation]Authored by: Signal, T., van den Berg, M.

Signal, TL. (2005, May). Factors affecting physiological alertness during long-range flights. Presented at Aerospace Medical Association 76th Scientific Meeting. Kansas City, MO.
[Conference Oral Presentation]Authored by: Signal, T.

Gander, PH., Signal, TL., & Gale, V. (2005, May). Comparison between PSG, actigraphy, and subjective report for measuring in-flight sleep. Presented at Aerospace Medical Association 76th Scientific Meeting. Kansas City, MO.
[Conference Oral Presentation]Authored by: Signal, T.

Signal, TL., Ratieta, D., & Gander, PH. (2005, September). Fatigue management in the New Zealand aviation industry. Presented at International Conference on Fatigue Management in Transportation Operations. Seattle, WA.
[Conference Oral Presentation]Authored by: Signal, T.

Signal, TL., Van den Berg, MJ., Travier, N., & Gander, PH. (2005, September). Polysomnographic sleep on the Singapore-Los Angeles route. Presented at International Conference on Fatigue Management in Transportation Operations. Seattle, WA.
[Conference Oral Presentation]Authored by: Signal, T., van den Berg, M.

Van den Berg, MJ., Signal, TL., & Gander, PH. (2004). How good are individuals at estimating their sleep within an occupational setting?. In Combined Annual Scientific Meeting of the Australasian Sleep Association and the Australasian Sleep Technologists Association(pp. A39). : Blackwell [Internal Medicine Journal, 34(3)]
[Conference Abstract]Authored by: Signal, T., van den Berg, M.

Signal, TL., Gander, PH., & Van den Berg, MJ. (2004). Sleep in flight during long rest opportunities. In Combined Annual Scientific Meeting of the Australasian Sleep Association and the Australasian Sleep Technologists Association(pp. A38). : Blackwell [Internal Medicine Journal, 34(3)]
[Conference Abstract]Authored by: Signal, T., van den Berg, M.

Signal, TL., & Gander, PH. (2003). Are EEG/EOG measures of alertness sensitive to prior sleep in an operational setting?. In SLEEP Vol. 26 (pp. A190 - A190). , 17th Annual Meeting of the Associated-Professional-Sleep-Societies: AMER ACADEMY SLEEP MEDICINE
[Conference Abstract]Authored by: Signal, T.

Signal, TL., Gander, PH., & Millar, MA. (2002). Napping in the workplace: what are the implications for sleep length and structure?. In Sleep Vol. Abstract supplement (pp. 87 - 87). , Associated Professional Sleep Societies, 16th Annual Meeting
[Conference Abstract]Authored by: Signal, T.

Signal, TL., & Gander, PH. (2002). Psychomotor Performance Improvements with a Short Workplace Nap on the Night Shift: The Benefits of Stage 1 Sleep. In Sleep Vol. Abstract supplement (pp. 116 - 116). , Associated Professional Sleep Societies, 16th Annual Meeting
[Conference Abstract]Authored by: Signal, T.

Signal, TL., & Gander, PH. (2001). The Effects of a Rapidly Rotating Shift Pattern on the Sleep of Air Traffic Controllers. In Sleep Vol. Abstract supplement (pp. 187 - 188). , Associated Professional Sleep Societies, 15th Annual Meeting
[Conference Abstract]Authored by: Signal, T.

Nesdale, A., Gander, PH., & Signal, TL. (1999). Managing rosters versus managing shiftwork: a rail industry example.. In Shiftwork International Newsletter, XIVth International Symposium on Night and Shift Work
[Conference Abstract]Authored by: Signal, T.

Signal, TL., Gander, PH., & Nesdale, A. (1999). Extended shifts in irregular rosters: Workers and partners' perceptions.. In Shiftwork International Newsletter, XIVth International Symposium on Night and Shift Work
[Conference Abstract]Authored by: Signal, T.

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Other

van den Berg, M., Signal, T., Muller, D., Zaslona, J., & Wu, L. (2022, May). Evaluation of the sleep, fatigue, sleepiness and workload of Air New Zealand cabin crew on the Auckland-Chicago-Auckland ultra-long-range route. In Air New Zealand. Presented at Air New Zealand JFK ULR Operation FRMS | Cabin Crew workshop.
[Oral Presentation]Authored by: Muller, D., Signal, T.

Signal, TL. (2014, June). HRC workshop presentation to Massey University staff members. “Strategies for HRC success” 12 June 2014. Wellington Campus.
[Oral Presentation]Authored by: Signal, T.

Sweeney, BM., Signal, TL., Paine, SJ., Priston, M., Muller, DP., Gander, PH., . . . Lee, K. (2012, August). E Moe Mama, Maternal Sleep and Health in Aotearoa New Zealand: Preliminary findings of a large scale perinatal sleep study.. In New Zealand College of Midwives Biennial Conference.
[Oral Presentation]Authored by: Signal, T.

Signal, TL. (2008, March). Sleep in flight: The challenge of ultra-long-range operations. In Royal Aeronautical Society Symposium 2008. Presented at Auckland, NZ.
[Oral Presentation]Authored by: Signal, T.

Signal, TL. (2007). When the lights come on: The process of waking up. Presented at University of Otago, Wellington, NZ.
[Oral Presentation]Authored by: Signal, T.

Signal, TL. (2006, March). Sleep and circadian biology: The implications for managing fatigue in the workplace. In ACC and Sport Tararua Seminar on Fatigue. Presented at Pahiatua, NZ.
[Oral Presentation]Authored by: Signal, T.

Signal, TL. (2005, February). Identifying key health risks involved in shiftwork and their impact on shiftworkers. In 6th Annual Rostering and Shiftwork Conference. Presented at Auckland, NZ.
[Oral Presentation]Authored by: Signal, T.

Signal, TL. (2005, May). Ultra-long-range flight: Challenges for flight crew sleep and performance. In NASA-Ames Fatigue Countermeasures Group. Presented at Palo Alto, CA.
[Oral Presentation]Authored by: Signal, T.

Signal, TL. (2005, May). Polysomnographic sleep on the Singapore-Los Angeles route. In Flight Safety Foundation Workshop on Crew Alertness in Ultra Long Range Operations. Presented at Los Angeles, CA.
[Oral Presentation]Authored by: Signal, T.

Signal, TL. (2005, March). Fatigue management: Principles and practice. In Fatigue Management Seminar. Presented at Nelson, NZ.
[Oral Presentation]Authored by: Signal, T.

Signal, TL. (2003, February). Understanding the latest developments in rostering and shiftwork in New Zealand and globally to deploy best practices in your organisation. In 4th Annual Forum on Rostering and Shiftwork. Presented at Auckland, NZ.
[Oral Presentation]Authored by: Signal, T.

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Teaching and Supervision

Teaching Statement

My aim is to enable sleep and circadian science to be accessible to all and that as a topic it is integrated into all aspects of health education at an appropriate level. I contribute to a number of different undergraduate and postgraduate courses as a guest lecturer and am extensively involved in professional education opportunities.

Contact Supervisor

Summary of Doctoral Supervision

Position	Current	Completed
Main Supervisor	3	5
Co-supervisor	2	1

Current Doctoral Supervision

Main Supervisor of:

Louise Dore - Doctor of Clinical Psychology
What helps to promote sleep heath in autistic children and young people
Zoe Walsh - Doctor of Clinical Psychology
Supporting the sleep of mothers in Aotearoa
Cameron Dyer - Doctor of Philosophy
Operational Levels of Fatigue and Flight Deck Performance: A Pilot Study

Co-supervisor of:

Mikaela Carter - Doctor of Clinical Psychology
Investigating the relationships between early childhood sleep, maternal sleep, and maternal mental health.
Jonathan Peters - Doctor of Clinical Psychology
Electronic Media Use, Sleep, and Fatigue: Investigating Their Interrelated Influences

Completed Doctoral Supervision

Main Supervisor of:

2023 - Travis Steenekamp - Doctor of Philosophy
Pilot interventions to improve the sleep/wake habits of elite adolescent athletes
2020 - Clare Ladyman - Doctor of Philosophy
I could cope so much better if I could just get a good night’s sleep”: Maternal sleep and mental health from early pregnancy to three years post birth
2019 - Diane Muller - Doctor of Philosophy
Social Determinants of Preschoolers' Sleep Health in Aotearoa/New Zealand: A Mixed Methods Study
2019 - Margaretha Van Den Berg - Doctor of Philosophy
Fatigue Risk Management Systems (FRMS) for Cabin Crew: Evaluation of the current status and future needs
2014 - Bronwyn Sweeney - Doctor of Philosophy
Perinatal sleep and postnatal mood in New Zealand women: An investigation of the relationship and trial of a sleep education intervention.

Co-supervisor of:

2017 - Jennifer Zaslona - Doctor of Philosophy
In-Flight Sleep as a Pilot Fatigue Mitigation on Long Range and Ultra-Long Range Flights

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Prof Leigh Signal BAv, DipBusStud, MA, PhD

Professor in Fatigue Management and Sleep Health/Associate Dean, Research

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Teaching and Supervision

Teaching Statement

Summary of Doctoral Supervision

Current Doctoral Supervision

Completed Doctoral Supervision