Cited by 95Sleep and Work-Related FatigueCircadian rhythm and melatoninSleep and related disorders

Photic Resetting in Night-Shift Work: Impact on Nurses' Sleep

Boivin, Diane B., Boudreau, Philippe, James, Francine O., Kin, N. M. K. Ng Ying·2012·Chronobiology International

Abstract

The objective of this study was to quantify daytime sleep in night-shift workers with and without an intervention designed to recover the normal relationship between the endogenous circadian pacemaker and the sleep/wake cycle. Workers of the treatment group received intermittent exposure to full-spectrum bright light during night shifts and wore dark goggles during the morning commute home. All workers maintained stable 8-h daytime sleep/darkness schedules. The authors found that workers of the treatment group had daytime sleep episodes that lasted 7.1 ± .1 h (mean ± SEM) versus 6.6 ± .2 h for workers in the control group (p = .04). The increase in total sleep time co-occurred with a larger proportion of the melatonin secretory episode during daytime sleep in workers of the treatment group. The results of this study showed reestablishment of a phase angle that is comparable to that observed on a day-oriented schedule favors longer daytime sleep episodes in night-shift workers. (Author correspondence: diane.boivin@douglas.mcgill.ca ).

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Registry

Crossref · 10.3109/07420528.2012.675257

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Authors
Boivin, D. B., Boudreau, P., James, F. O., & Kin, N. M. K. N. Y.
Affiliations
Douglas Mental Health University Institute (CA)
Corresponding author
Boivin, Diane B.
Venue
Chronobiology International
Published
2012-05-23
Volume
29
Issue
5
Pages
619-628
ISSN
  • 0742-0528 (ISSN-L)
  • 1525-6073
OpenAlex
W2127301534
Cited by
95
References
73
Citations by year
2026: 2 · 2025: 5 · 2024: 2 · 2023: 10 · 2022: 5 · 2021: 9 · 2020: 24 · 2019: 7 · 2018: 8 · 2017: 4 · 2016: 2 · 2015: 3 · 2014: 9 · 2013: 3 · 2012: 2
FWCI
7.30
Type
journal article
Language
en
Open access
closed
Locations
  • Chronobiology International (publishedVersion)
  • PubMed (publishedVersion)
Funders
Canadian Institutes of Health Research
Topics
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Sleep and Work-Related Fatigue
  • Life Sciences › Neuroscience › Endocrine and Autonomic Systems › Circadian rhythm and melatonin
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Sleep and related disorders
Keywords
night shift work, nurses, daytime sleep, circadian rhythm, melatonin secretion, bright light exposure, sleep-wake cycle, phase angle, shift work
MeSH terms
Adaptation, Physiological, Adult, Circadian Rhythm, Darkness, Female, Humans, Light, Male, Melatonin, Middle Aged, Nurses, Sleep, Work Schedule Tolerance

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