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A field study of sleep and fatigue in a regular rotating 12-h shift system.
Appl Ergon. 2009 Jul; 40(4):694-8.AE

Abstract

The aim of this study was to examine a regular rotating 12-h shift system (2D2N4Off) at an Australian Smelter. Sleep behavior, subjective fatigue and neurobehavioral performance were investigated over a 14-day period for 20 employees. Activity monitors, sleep/wake diaries, and 5-min psychomotor vigilance tasks were used. Sleep data showed differences between day and night shifts. While sleep prior to night1 was increased relative to day shifts, a reduced sleep length carried into the period leading to night2. Total wakefulness at the end of shift, and subjective fatigue were increased for night shifts, particularly night1. Decrements in performance data supported these findings. Both prior wakefulness and prior sleep are important in a 12-h shift system. Employees may "sleep in" after day shifts, rather than taking extra sleep prior to night work. Thus, sleep between day and night shifts is based on recovery rather than preparation.

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Publisher Full Text

Authors+Show Affiliations

Baulk SD
Centre for Sleep Research, University of South Australia, Level 7 Playford Building, Frome Road, Adelaide, SA 5000, Australia. Stuart.Baulk@unisa.edu.au
Fletcher A
No affiliation info available
Kandelaars KJ
No affiliation info available
Dawson D
No affiliation info available
Roach GD
No affiliation info available

MeSH

AdultExtraction and Processing IndustryHumansMaleMiddle AgedOccupational HealthPersonnel Staffing and SchedulingPsychomotor PerformanceSleepWakefulnessWork Schedule Tolerance

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

18675388

Citation

Baulk, S D., et al. "A Field Study of Sleep and Fatigue in a Regular Rotating 12-h Shift System." Applied Ergonomics, vol. 40, no. 4, 2009, pp. 694-8.
Baulk SD, Fletcher A, Kandelaars KJ, et al. A field study of sleep and fatigue in a regular rotating 12-h shift system. Appl Ergon. 2009;40(4):694-8.
Baulk, S. D., Fletcher, A., Kandelaars, K. J., Dawson, D., & Roach, G. D. (2009). A field study of sleep and fatigue in a regular rotating 12-h shift system. Applied Ergonomics, 40(4), 694-8. https://doi.org/10.1016/j.apergo.2008.06.003
Baulk SD, et al. A Field Study of Sleep and Fatigue in a Regular Rotating 12-h Shift System. Appl Ergon. 2009;40(4):694-8. PubMed PMID: 18675388.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - A field study of sleep and fatigue in a regular rotating 12-h shift system. AU - Baulk,S D, AU - Fletcher,A, AU - Kandelaars,K J, AU - Dawson,D, AU - Roach,G D, PY - 2007/07/16/received PY - 2008/06/04/revised PY - 2008/06/19/accepted PY - 2008/8/5/pubmed PY - 2009/6/24/medline PY - 2008/8/5/entrez SP - 694 EP - 8 JF - Applied ergonomics JO - Appl Ergon VL - 40 IS - 4 N2 - The aim of this study was to examine a regular rotating 12-h shift system (2D2N4Off) at an Australian Smelter. Sleep behavior, subjective fatigue and neurobehavioral performance were investigated over a 14-day period for 20 employees. Activity monitors, sleep/wake diaries, and 5-min psychomotor vigilance tasks were used. Sleep data showed differences between day and night shifts. While sleep prior to night1 was increased relative to day shifts, a reduced sleep length carried into the period leading to night2. Total wakefulness at the end of shift, and subjective fatigue were increased for night shifts, particularly night1. Decrements in performance data supported these findings. Both prior wakefulness and prior sleep are important in a 12-h shift system. Employees may "sleep in" after day shifts, rather than taking extra sleep prior to night work. Thus, sleep between day and night shifts is based on recovery rather than preparation. SN - 1872-9126 UR - https://www.unboundmedicine.com/medline/citation/18675388/A_field_study_of_sleep_and_fatigue_in_a_regular_rotating_12_h_shift_system_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0003-6870(08)00115-4 DB - PRIME DP - Unbound Medicine ER -