| Subjective and objective sleepiness among oil rig workers during three different shift schedules. | |
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MedLine Citation:
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PMID: 22033116 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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OBJECTIVES: Examine sleepiness in three different shift work schedules (within-subject design) in the offshore oil industry. METHODS: Sleepiness was measured in 19 oil rig workers, using subjective (Karolinska Sleepiness Scale; Accumulated Time with Sleepiness) and objective measures (reaction time). The work schedule consisted of two weeks of 12h day work (day shifts), two weeks of 12h night work (night shifts), and two weeks of swing shift work (one week of night work followed by one week of day work). RESULTS: Sleepiness was highest during the first days of night and swing shifts, and also in the middle of the swing shift work period, but gradually decreased as the days on the night shift progressed. While at home following the two-week work period, the workers reported more subjective sleepiness after night shift than after day or swing shifts. Reaction time tests during the work period showed no significant differences between the shift schedules. There was a significant shorter reaction time the last day compared to the beginning or middle of the work period. CONCLUSIONS: Subjective sleepiness was higher during the first days of night work compared to day work, and also when the swing shift workers changed from night work to day work in the middle of the two-week work period. Subjective sleepiness was increased at home following night shifts compared to after day and swing shifts, suggesting that swing shift workers adapted their circadian rhythm during their second period of work, during the day shift week, offshore. |
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Authors:
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Siri Waage; Anette Harris; Ståle Pallesen; Ingvild B Saksvik; Bente E Moen; Bjørn Bjorvatn |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-10-25 |
Journal Detail:
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Title: Sleep medicine Volume: - ISSN: 1878-5506 ISO Abbreviation: - Publication Date: 2011 Oct |
Date Detail:
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Created Date: 2011-10-28 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 100898759 Medline TA: Sleep Med Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2011 Elsevier B.V. All rights reserved. |
Affiliation:
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Department of Public Health and Primary Health Care, University of Bergen, Norway; Uni Research, Bergen, Norway. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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