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Sleep restriction during simulated wildfire suppression: effect on physical task performance

Vincent, Grace, Ferguson, Sally A., Tran, Jacqueline, Larsen, Brianna, Wolkow, Alexander and Aisbett, Brad 2015, Sleep restriction during simulated wildfire suppression: effect on physical task performance, PLoS One, vol. 10, no. 1, e0115329, pp. 1-16, doi: 10.1371/journal.pone.0115329.

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Title Sleep restriction during simulated wildfire suppression: effect on physical task performance
Author(s) Vincent, Grace
Ferguson, Sally A.
Tran, Jacqueline
Larsen, Brianna
Wolkow, Alexander
Aisbett, Brad
Journal name PLoS One
Volume number 10
Issue number 1
Season e0115329
Start page 1
End page 16
Total pages 16
Publisher Public Library of Science
Place of publication San Francisco, Calif.
Publication date 2015-01-23
ISSN 1932-6203
Summary OBJECTIVES: To examine the effects of sleep restriction on firefighters' physical task performance during simulated wildfire suppression. METHODS: Thirty-five firefighters were matched and randomly allocated to either a control condition (8-hour sleep opportunity, n = 18) or a sleep restricted condition (4-hour sleep opportunity, n = 17). Performance on physical work tasks was evaluated across three days. In addition, heart rate, core temperature, and worker activity were measured continuously. Rate of perceived and exertion and effort sensation were evaluated during the physical work periods. RESULTS: There were no differences between the sleep-restricted and control groups in firefighters' task performance, heart rate, core temperature, or perceptual responses during self-paced simulated firefighting work tasks. However, the sleep-restricted group were less active during periods of non-physical work compared to the control group. CONCLUSIONS: Under self-paced work conditions, 4 h of sleep restriction did not adversely affect firefighters' performance on physical work tasks. However, the sleep-restricted group were less physically active throughout the simulation. This may indicate that sleep-restricted participants adapted their behaviour to conserve effort during rest periods, to subsequently ensure they were able to maintain performance during the firefighter work tasks. This work contributes new knowledge to inform fire agencies of firefighters' operational capabilities when their sleep is restricted during multi-day wildfire events. The work also highlights the need for further research to explore how sleep restriction affects physical performance during tasks of varying duration, intensity, and complexity.
Language eng
DOI 10.1371/journal.pone.0115329
Field of Research 110602 Exercise Physiology
Socio Economic Objective 920505 Occupational Health
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2015, Public Library of Science
Persistent URL http://hdl.handle.net/10536/DRO/DU:30069274

Document type: Journal Article
Collections: School of Exercise and Nutrition Sciences
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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.