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More than hours of work: Fatigue management during high-intensity maritime operations

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. © 2018, © 2018 Taylor & Francis Group, LLC.

Funding

Category 3 - Industry and Other Research Income

History

Volume

36

Issue

1

Start Page

143

End Page

149

Number of Pages

7

eISSN

1525-6073

ISSN

0742-0528

Publisher

Taylor & Francis, UK

Peer Reviewed

Yes

Open Access

No

Acceptance Date

31/08/2018

Author Research Institute

Appleton Institute

Era Eligible

Yes

Journal

Chronobiology International