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Work and excessive sleepiness among Brazilian evning high school students: Effects on Days Off
Stockholm University, Faculty of Social Sciences, Stress Research Institute.
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2010 (English)In: International journal of occupational and environmental health, ISSN 1077-3525, Vol. 16, no 2, 172-177 p.Article in journal (Refereed) Published
Abstract [en]

Previous studies have revealed that students who work and study build up sleep deficits during the workweek, which can trigger a sleep rebound during days off. The objective of this study was to investigate the impact of working/non-working on sleepiness during days off among high school students. The study population, aged 14-21 years, attended evening classes in São Paulo, Brazil. For the study, the students completed questionnaires on living conditions, health, and work; wore actigraphs; and completed the Karolinska Sleepiness Scale (KSS). To predict sleepiness, a logistic regression analysis was performed. Excessive sleepiness was observed on the first day off among working students. Results suggest that working is a significant predictor for sleepiness and that two shifts of daily systematic activities, study and work, might lead to excessive daytime sleepiness on the first day off. Further, this observed excessive sleepiness may reflect the sleep debt accumulated during the workweek

Place, publisher, year, edition, pages
2010. Vol. 16, no 2, 172-177 p.
Keyword [en]
sleep, youth, high school students, teen workers, Sao Paulo, Brazil
National Category
Medical and Health Sciences
URN: urn:nbn:se:su:diva-38248ISI: 000277343600009Local ID: P2784OAI: diva2:308408
Available from: 2010-04-06 Created: 2010-04-06 Last updated: 2011-11-23Bibliographically approved

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Lowden, Arne
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