Increased vulnerability to attentional failure during acute sleep deprivation in women depends on menstrual phase

Vidafar, P., Gooley, J.J., Burns, A.C., Rajaratnam, S.M.W., Rueger, M., Van Reen, E., Czeisler, C.A., Lockley, S.W. and Cain, S.W. (2018) Increased vulnerability to attentional failure during acute sleep deprivation in women depends on menstrual phase Sleep, 41 (8).

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Abstract

Study Objectives: To investigate sex differences in the effect of sleep deprivation on performance, accounting for menstrual phase in women. Methods: We examined alertness data from 124 healthy women and men (40 women, 84 men; aged 18-30 years) who maintained wakefulness for at least 30 hr in a laboratory setting using a constant routine protocol. Objective alertness was assessed every 2 hr using a 10 min psychomotor vigilance task. Subjective alertness was assessed every hour via the Karolinska Sleepiness Scale. Results: Women in the follicular phase of the menstrual cycle demonstrated the poorest level of performance. This poor performance was most pronounced at times corresponding to the typical sleep episode, demonstrating a window of vulnerability at night during this menstrual phase. At 24 hr awake, over 60 per cent of their responses were lapses of >500 ms and over one-third of their responses were longer lapses of at least 3 s in duration. Women in the luteal phase, however, were relatively protected from alertness failure, performing similar or better than both follicular-phase women and men. Conclusions: These results have important implications for education and intervention programs for shift workers, specifically during times of vulnerability to attentional failure that increase risk of injury. © Sleep Research Society 2018. Published by Oxford University Press on behalf of the Sleep Research Society. All rights reserved.

Item Type:	Article
Authors :	Name Email ORCID Vidafar, P. Gooley, J.J. Burns, A.C. Rajaratnam, S.M.W. Rueger, M. Van Reen, E. Czeisler, C.A. Lockley, S.W. s.lockley@surrey.ac.uk Cain, S.W.
Date :	2018
DOI :	10.1093/sleep/zsy098
Uncontrolled Keywords :	alertness, performance, sex differences, sex hormones, shift work, sleep deprivation, adult, alertness, Article, body temperature, clinical article, controlled study, core temperature, female, follicular phase, human, luteal phase, male, menstrual cycle, night, priority journal, psychomotor vigilance task, reaction time, sex difference, sleep deprivation, wakefulness, adolescent, attention, pathophysiology, physiology, psychomotor performance, sleep, sleep deprivation, young adult, Adolescent, Adult, Attention, Female, Follicular Phase, Humans, Luteal Phase, Male, Psychomotor Performance, Sleep, Sleep Deprivation, Wakefulness, Young Adult
Depositing User :	Clive Harris
Date Deposited :	17 Jun 2020 00:51
Last Modified :	17 Jun 2020 00:51
URI:	http://epubs.surrey.ac.uk/id/eprint/857831

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