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More than hours of work: fatigue management during high-intensity maritime operations
Stockholm University, Faculty of Social Sciences, Stress Research Institute. Central Queensland University, Australia; Karolinska Institute, Sweden.
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Number of Authors: 52019 (English)In: Chronobiology International, ISSN 0742-0528, E-ISSN 1525-6073, Vol. 36, no 1, p. 143-149Article in journal (Refereed) Published
Abstract [en]

Objectives: This study examines the impacts of peak summer demand on operator workload and fatigue in a maritime environment. Methods: Participants (n = 12) were senior shipboard personnel who were working during the summer double sailing period for a roll-on roll-off ferry service. Wrist actigraphy was used to determine sleep opportunity and sleep duration, as well as prior sleep, total wake time, performance and alertness at the beginning and end of work periods. Results: Contrary to expectations, sleep was significantly greater, and both subjective estimates of fatigue and objective neurobehavioral performance were not impacted negatively by periods of increased work intensity. Conclusions: This study highlights a number of features of a fatigue-risk management system that appear to have been instrumental in ensuring adequate sleep and performance was maintained throughout periods of increased operational intensity. As a simple colloquial description of the fatigue-risk management system at play in this operation, it was fine to work hard if you were able to sleep hard as well.

Place, publisher, year, edition, pages
2019. Vol. 36, no 1, p. 143-149
Keywords [en]
Sleep, fatigue, safety
National Category
Physiology Occupational Health and Environmental Health
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URN: urn:nbn:se:su:diva-163827DOI: 10.1080/07420528.2018.1519571ISI: 000454073500012PubMedID: 30296184OAI: oai:DiVA.org:su-163827DiVA, id: diva2:1277133
Available from: 2019-01-09 Created: 2019-01-09 Last updated: 2019-01-09Bibliographically approved

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