AI Article Synopsis

  • This study investigated the link between older adults' sleep (both perceived and measured) and their physical activity levels, including how chronotype (morning vs. evening preference) influences this relationship.
  • The research involved data from 116 older adults without dementia, using various sleep assessment tools like the Pittsburgh Sleep Quality Index and Actigraphy, alongside the Physical Activity Scale for the Elderly.
  • Results indicated that better subjective sleep, shorter sleep duration, and higher sleep efficiency correlate with increased physical activity; additionally, morning types may be better at mitigating the negative impact of poor sleep quality on physical activity.

Article Abstract

This study aimed to examine the associations of both subjectively and objectively measured sleep with physical activity among older adults and to explore the possible moderating role of chronotype in these associations. We included baseline data of 116 community-dwelling older adults without dementia from three prior studies. Pittsburgh Sleep Quality Index and Actigraphy were used as subjective and objective sleep measures, respectively. Physical activity was assessed by the Physical Activity Scale for the Elderly. The Morningness-Eveningness Questionnaire was used to measure chronotype, which was further dichotomized into morning type and non-morning type. Multiple linear regressions were performed to examine the associations, controlling for demographic and health characteristics. We found that better subjective sleep quality, shorter actigraphy sleep duration, and higher actigraphy sleep efficiency were uniquely associated with greater physical activity. Being a morning type might alleviate the adverse association between poor subjective sleep quality and physical activity among older adults.

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Source
http://dx.doi.org/10.1177/00914150221128974DOI Listing

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