Cited by 309Sleep and Work-Related FatigueCircadian rhythm and melatoninSleep and related disorders

Shift work: coping with the biological clock.

Arendt, J.·2010·Occupational Medicine

Abstract

The internal circadian clock adapts slowly, if at all, to rapid transitions between different shift schedules. This leads to misalignment (desynchrony) of rhythmic physiological systems, such as sleep, alertness, performance, metabolism and the hormones melatonin and cortisol, with the imposed work-rest schedule. Consequences include sleep deprivation and poor performance. Clock gene variants may influence tolerance of sleep deprivation. Shift work is associated with an increased risk of major disease (heart disease and cancer) and this may also, at least in part, be attributed to frequent circadian desynchrony. Abnormal metabolism has been invoked as a contributory factor to the increased risk of heart disease. There is recent evidence for an increased risk of certain cancers, with hypothesized causal roles of light at night, melatonin suppression and circadian desynchrony. Various strategies exist for coping with circadian desynchrony and for hastening circadian realignment (if desired). The most important factor in manipulating the circadian system is exposure to and/or avoidance of bright light at specific times of the 'biological night'.

Integrity signals

Registry

Crossref · 10.1093/occmed/kqp162

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Authors
Arendt, J.
Affiliations
University of Surrey (GB)
Corresponding author
Arendt, J.
Venue
Occupational Medicine
Published
2010-01-01
Volume
60
Issue
1
Pages
10-20
ISSN
  • 0962-7480 (ISSN-L)
  • 1471-8405
OpenAlex
W2141496046
Cited by
308
References
85
Citations by year
2026: 9 · 2025: 20 · 2024: 24 · 2023: 19 · 2022: 16 · 2021: 23 · 2020: 21 · 2019: 20 · 2018: 19 · 2017: 19 · 2016: 26 · 2015: 21 · 2014: 19 · 2013: 24 · 2012: 14
FWCI
2.07
Type
journal article
Language
en
Open access
closed
Locations
  • Occupational Medicine (publishedVersion)
  • PubMed (publishedVersion)
  • Open Research (University of Surrey) (submittedVersion)
  • Surrey Research Insight Open Access (The University of Surrey) (submittedVersion)
Funders
University of Surrey
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
shift work, circadian desynchrony, circadian clock, sleep deprivation, clock genes, melatonin, cortisol, light at night, heart disease risk, cancer risk, work-rest schedule
MeSH terms
Adaptation, Psychological, Circadian Rhythm, Humans, Light, Melatonin, Work Schedule Tolerance, Workload

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