ArticlePreventive medicine reports2018
Objectively measured habitual physical activity and sleep-related phenomena in 1645 people aged 1-91 years: The Nakanojo Community Study.
Article in Preventive medicine reports, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- The relationship between physical activity and mental health in middle-aged and older Chinese adults: a moderated mediation and cross-lagged model.Frontiers in psychology · 2026Article
- Interaction between functional capability and sleep quality at midterm after total knee arthroplasty: a Japanese retrospective cohort study.Scientific reports · 2023Article
- Daily energy expenditure through the human life course.Science (New York, N.Y.) · 2021Article
- Rapidly declining body temperature in a tropical human population.Science advances · 2020Article
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4 authors.
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No grant is acknowledged in the PubMed record.
Abstract
Relationships between habitual physical activity and sleep-related phenomena were examined in 623 male and 1022 female Japanese participating in the Nakanojo Community Study, using data collected in 2012-2013. Ages ranged from infancy to very old. Daily step count and daily duration of exercise at an intensity >3 metabolic equivalents (METs) were determined by pedometer/accelerometer, 24 h/day for 1 week. Duplicate axillary temperatures were also taken on rising and when retiring. Total bed time was noted, and the efficiency of sleep determined as hours of actual sleep (from a validated pedometer/accelerometer algorithm) divided by bed time. Step counts and especially duration of activity >3 METs peaked in teenagers and decreased as age advanced (p < 0.001). Both axillary temperatures subsequently showed a gradual age-related decline (p < 0.001). The duration and efficiency of sleep also showed a small age-dependent decrease (p < 0.001). Multivariate-adjusted correlation coefficients indicated a better quality of sleep in individuals who took greater habitual physical activity. In individuals aged ≥40 years, these findings were modified by chronic disease conditions including hypertension, diabetes mellitus and hyperlipemia; after controlling statistically for potential confounders, both physical activity and axillary temperature were lower (p < 0.05 or 0.01), and the time spent lying was longer but the efficiency of sleep was poorer (p < 0.01) in those with chronic conditions. These results suggest that habitual physical activity bears an important relationship to sleep-related phenomena at all ages, with a modification of relationships by chronic disease in people aged ≥40 years.
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