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Fighting fire and fatigue: Sleep quantity and quality during multi-day wildfire suppression

journal contribution
posted on 13.09.2018, 00:00 by Grace VincentGrace Vincent, B Aisbett, SJ Hall, Sally FergusonSally Ferguson
This study examined firefighters’ sleep quantity and quality throughout multi-day wildfire suppression, and assessed the impact of sleep location, shift length, shift start time and incident severity on these variables. For 4 weeks, 40 volunteer firefighters’ sleep was assessed using wrist actigraphy. Analyses revealed that the quantity of sleep obtained on fire days was restricted, and pre- and post-sleep fatigue ratings were higher, compared to non-fire days. On fire days, total sleep time was less when: (i) sleep location was in a tent or vehicle, (ii) shifts were greater than 14 h and (iii) shifts started between 05:00 and 06:00 h. This is the first empirical investigation providing objective evidence that firefighters’ sleep is restricted during wildfire suppression. Furthermore, sleep location, shift length and shift start time should be targeted when designing appropriate controls to manage fatigue-related risk and preserve firefighters’ health and safety during wildfire events. Practitioner Summary: During multi-day wildfire suppression, firefighters’ sleep quantity was restricted, and pre- and post-sleep fatigue ratings were higher, compared to non-fire days. Furthermore, total sleep time was less when: (i) sleep occurred in a tent/vehicle, (ii) shifts were >14 h and (iii) shifts started between 05:00 and 06:00 h. © 2015 Informa UK Limited, trading as Taylor & Francis Group.

History

Volume

59

Issue

7

Start Page

932

End Page

940

Number of Pages

9

eISSN

1366-5847

ISSN

0014-0139

Publisher

Taylor & Francis, UK

Peer Reviewed

Yes

Open Access

No

External Author Affiliations

Deakin University; Bushfire Co-operative Research Centre

Author Research Institute

Appleton Institute

Era Eligible

Yes

Journal

Ergonomics