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dc.contributor.authorPires, M.L.N.-
dc.contributor.authorTeixeira, C.W.-
dc.contributor.authorEsteves, A.M.-
dc.contributor.authorBittencourt, L.R.A.-
dc.contributor.authorSilva, R.S.-
dc.contributor.authorSantos, R.F.-
dc.contributor.authorTufik, S.-
dc.contributor.authorMello, M.T.-
dc.date.accessioned2014-05-20T13:22:31Z-
dc.date.available2014-05-20T13:22:31Z-
dc.date.issued2009-09-01-
dc.identifierhttp://dx.doi.org/10.1590/S0100-879X2009005000011-
dc.identifier.citationBrazilian Journal of Medical and Biological Research. Associação Brasileira de Divulgação Científica, v. 42, n. 9, p. 839-843, 2009.-
dc.identifier.issn0100-879X-
dc.identifier.urihttp://hdl.handle.net/11449/6617-
dc.description.abstractStudies have shown that the frequency or worsening of sleep disorders tends to increase with age and that the ability to perform circadian adjustments tends to decrease in individuals who work the night shift. This condition can cause consequences such as excessive sleepiness, which are often a factor in accidents that occur at work. The present study investigated the effects of age on the daytime and nighttime sleep patterns using polysomnography (PSG) of long-haul bus drivers working fixed night or day shifts. A total of 124 drivers, free of sleep disorders and grouped according to age (<45 years, N = 85, and ≥45 years, N = 39) and PSG timing (daytime (D) PSG, N = 60; nighttime (N) PSG, N = 64) participated in the study. We observed a significant effect of bedtime (D vs N) and found that the length of daytime sleep was shorter [D: <45 years (336.10 ± 73.75 min) vs N: <45 years (398 ± 78.79 min) and D: ≥45 years (346.57 ± 43.17 min) vs N: ≥45 years (386.44 ± 52.92 min); P ≤ 0.05]. Daytime sleep was less efficient compared to nighttime sleep [D: <45 years (78.86 ± 13.30%) vs N: <45 years (86.45 ± 9.77%) and D: ≥45 years (79.89 ± 9.45%) and N: ≥45 years (83.13 ± 9.13%); P ≤ 0.05]. An effect of age was observed for rapid eye movement sleep [D: <45 years (18.05 ± 6.12%) vs D: ≥45 years (15.48 ± 7.11%) and N: <45 years (23.88 ± 6.75%) vs N: ≥45 years (20.77 ± 5.64%); P ≤ 0.05], which was greater in younger drivers. These findings are inconsistent with the notion that older night workers are more adversely affected than younger night workers by the challenge of attempting to rest during the day.en
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)-
dc.format.extent839-843-
dc.language.isoeng-
dc.publisherAssociação Brasileira de Divulgação Científica (ABRADIC)-
dc.sourceSciELO-
dc.subjectSleepen
dc.subjectShift worken
dc.subjectNight worken
dc.subjectAgingen
dc.subjectPolysomnographyen
dc.subjectREMen
dc.subjectSlow wave sleep (SWS)en
dc.titleSleep, ageing and night worken
dc.typeoutro-
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.contributor.institutionUniversidade Federal de São Paulo (UNIFESP)-
dc.contributor.institutionCentro de Estudo Multidisciplinar em Sonolência e Acidentes-
dc.description.affiliationUniversidade Estadual Paulista Departamento de Psicologia Experimental e do Trabalho-
dc.description.affiliationUniversidade Federal de São Paulo (UNIFESP) Escola Paulista de Medicina Departamento de Psicobiologia-
dc.description.affiliationCentro de Estudo Multidisciplinar em Sonolência e Acidentes-
dc.description.affiliationUnespUniversidade Estadual Paulista Departamento de Psicologia Experimental e do Trabalho-
dc.description.sponsorshipIdFAPESP: 98/14303-3-
dc.identifier.doi10.1590/S0100-879X2009005000011-
dc.identifier.scieloS0100-879X2009000900011-
dc.identifier.wosWOS:000270233200011-
dc.rights.accessRightsAcesso aberto-
dc.identifier.fileS0100-879X2009000900011.pdf-
dc.relation.ispartofBrazilian Journal of Medical and Biological Research-
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