Circadian Amplitude And Quality Of Sleep In A Group Of Active Elderly Subjects

dc.creatorCeolim M.F.
dc.creatorCampedelli M.C.
dc.creatorMenna-Barreto L.
dc.date1996
dc.date2015-06-26T17:03:14Z
dc.date2015-11-26T14:18:54Z
dc.date2015-06-26T17:03:14Z
dc.date2015-11-26T14:18:54Z
dc.date.accessioned2018-03-28T21:20:17Z
dc.date.available2018-03-28T21:20:17Z
dc.identifier
dc.identifierBiological Rhythm Research. , v. 27, n. 3, p. 398 - 408, 1996.
dc.identifier9291016
dc.identifier10.1076/brhm.27.3.398.12965
dc.identifierhttp://www.scopus.com/inward/record.url?eid=2-s2.0-0029862002&partnerID=40&md5=206f31f583752e3c25aeb2e0b3116e51
dc.identifierhttp://www.repositorio.unicamp.br/handle/REPOSIP/95566
dc.identifierhttp://repositorio.unicamp.br/jspui/handle/REPOSIP/95566
dc.identifier2-s2.0-0029862002
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/1243781
dc.descriptionIncreased sleep fragmentation, attributed to a decline in the amplitude of sleep-wake cycle (SWC) that seems to be linked to ageing, has been described as the most important factor for impaired sleep quality in the elderly. In this work we assessed possible between SWC circadian amplitude and; a-increasing age; and b-subjective sleep quality. Twenty five healthy and active subjects (aged from 60 to 83) completed sleep logs for 23 consecutive days in April 1989. Twenty two of them were also evaluated concerning subjective sleep quality. Data thus obtained were submitted to spectral analysis (to assess the strength of rhythmic components of SWC) and descriptive statistics. Significant correlations were evaluated using Spearman's rank correlation test. Results showed no significant correlation between subjects' ages and the strength of the circadian and the semicircadian components of SWC. Sleep quality was positively correlated with the strength of the circadian component (p<0.05), and negatively correlated with the strength of the semicircadian component of SWC (p<0.01). Regularity of some characteristics of SWC (e.g., sleep latency and waking time) showed a significant positive correlation with increasing age and better sleep quality. Based on our results, which are consonant with recent literature data, we suggest that a decline in circadian amplitude of SWC seems to be related to inactivity and diseases rather than to old age per se; therefore, strengthening circadian amplitude could help improve sleep quality.
dc.description27
dc.description3
dc.description398
dc.description408
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dc.languageen
dc.publisher
dc.relationBiological Rhythm Research
dc.rightsfechado
dc.sourceScopus
dc.titleCircadian Amplitude And Quality Of Sleep In A Group Of Active Elderly Subjects
dc.typeActas de congresos


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