Cited by 217Sleep and Work-Related FatigueCircadian rhythm and melatoninHuman-Automation Interaction and Safety

Modelling fatigue and the use of fatigue models in work settings

Open access
Dawson, Drew, Ian Noy, Y., Härmä, Mikko, Åkerstedt, Torbjorn, Belenky, Gregory·2011·Accident Analysis & Prevention

Abstract

In recent years, theoretical models of the sleep and circadian system developed in laboratory settings have been adapted to predict fatigue and, by inference, performance. This is typically done using the timing of prior sleep and waking or working hours as the primary input and the time course of the predicted variables as the primary output. The aim of these models is to provide employers, unions and regulators with quantitative information on the likely average level of fatigue, or risk, associated with a given pattern of work and sleep with the goal of better managing the risk of fatigue-related errors and accidents/incidents. The first part of this review summarises the variables known to influence workplace fatigue and draws attention to the considerable variability attributable to individual and task variables not included in current models. The second part reviews the current fatigue models described in the scientific and technical literature and classifies them according to whether they predict fatigue directly by using the timing of prior sleep and wake (one-step models) or indirectly by using work schedules to infer an average sleep-wake pattern that is then used to predict fatigue (two-step models). The third part of the review looks at the current use of fatigue models in field settings by organizations and regulators. Given their limitations it is suggested that the current generation of models may be appropriate for use as one element in a fatigue risk management system. The final section of the review looks at the future of these models and recommends a standardised approach for their use as an element of the 'defenses-in-depth' approach to fatigue risk management.

Integrity signals

Registry

Crossref · 10.1016/j.aap.2009.12.030

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101 of 101 references verified0 citation errors · 0 not checkable

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  • Chronic sleep insufficiency has played a role in motor vehicle accidents, industrial disasters, and medical and other occupational errors.

    “Chronic sleep insufficiency has played a role in motor vehicle accidents, industrial disasters, medical and other occupational errors, for instance(41, 42, 47-51).”

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Authors
Dawson, D., Ian Noy, Y., Härmä, M., Åkerstedt, T., & Belenky, G.
Affiliations
  • University of South Australia (AU)
  • Finnish Institute of Occupational Health (FI)
  • Washington State University (US)
Venue
Accident Analysis & Prevention
Publisher
Elsevier BV
Published
2011-03
Volume
43
Issue
2
Pages
549-564
ISSN
0001-4575 (ISSN-L)
OpenAlex
W2035641776
Cited by
217
References
103
Citations by year
2026: 10 · 2025: 9 · 2024: 16 · 2023: 11 · 2022: 14 · 2021: 25 · 2020: 21 · 2019: 16 · 2018: 15 · 2017: 14 · 2016: 9 · 2015: 11 · 2014: 10 · 2013: 11 · 2012: 5
FWCI
1.44
Type
journal article
Language
en
Open access
Locations
  • Accident Analysis & Prevention (publishedVersion)
  • PubMed (publishedVersion)
  • Acquire (CQUniversity) (submittedVersion)
  • Figshare (submittedVersion, cc-by)
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 › Social Psychology › Human-Automation Interaction and Safety
Keywords
occupational fatigue, fatigue models, circadian rhythm, sleep timing, work schedules, fatigue risk management, fatigue-related accidents
MeSH terms
Accidents, Occupational, Fatigue, Humans, Models, Biological, Work Schedule Tolerance

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