Sleep-wake patterns of student workers and non-workers

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dc.contributor.authorVinha, D.
dc.contributor.authorCavalcante, J. A.
dc.contributor.authorAndrade, MMM
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T15:25:37Z
dc.date.available2014-05-20T15:25:37Z
dc.date.issued2002-10-01
dc.description.abstractAdolescents usually exhibit late sleep phase and irregular sleep patterns. As a result, they do not get enough sleep and report daytime sleepiness. This condition could be aggravated in working students who have a more limited time for sleep. In this survey, we investigated the impact of evening classes and employment on the sleep patterns of adolescents. We compared female (n = 17) and male (n = 14) non-worker students to female (n = 28) and male (n = 20) worker students who attended the same high school. The volunteers (aged 17.4 years +/- 11 months) answered a sleep log during a 16-day period. Worker students slept and woke up earlier, had a shorter nocturnal sleep length and a shorter daily (nocturnal plus diurnal) sleep length compared to non-working pupils. The four groups of students delayed sleep onset time on weekends, but only worker students delayed wake-up time on Sundays. The wake-up time was similar among groups on Sundays. While student workers tended to increase the sleep length in the weekends, non-working students increased it on Mondays and/or Tuesdays. The results showed that sleep schedules and sleep length were different according to the work status. Going to bed later on Saturday by the four groups of students suggests the influence of social activities, while a later wake-up time on Sundays could result from a shorter sleep length on workdays.en
dc.description.affiliationUNESP, FCL, Dept Ciências Biol, BR-19806173 Assis, SP, Brazil
dc.description.affiliationUnespUNESP, FCL, Dept Ciências Biol, BR-19806173 Assis, SP, Brazil
dc.format.extent417-426
dc.identifierhttp://dx.doi.org/10.1076/brhm.33.4.417.8803
dc.identifier.citationBiological Rhythm Research. Lisse: Swets Zeitlinger Publishers, v. 33, n. 4, p. 417-426, 2002.
dc.identifier.doi10.1076/brhm.33.4.417.8803
dc.identifier.issn0929-1016
dc.identifier.urihttp://hdl.handle.net/11449/35989
dc.identifier.wosWOS:000179820000006
dc.language.isoeng
dc.publisherSwets Zeitlinger Publishers
dc.relation.ispartofBiological Rhythm Research
dc.relation.ispartofjcr0.699
dc.relation.ispartofsjr0,242
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectsleep-wake cyclept
dc.subjectadolescencept
dc.subjectadolescent laborpt
dc.subjectbiological rhythmpt
dc.titleSleep-wake patterns of student workers and non-workersen
dc.typeArtigo
dcterms.licensehttp://journalauthors.tandf.co.uk/preparation/copyright.asp
dcterms.rightsHolderSwets Zeitlinger Publishers
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Ciências e Letras, Assispt
unesp.departmentCiências Biológicas - FCLASpt

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