Does habitual physical activity prevent insomnia? A cross-sectional and longitudinal study of elderly Japanese

Sachiko Inoue, Takashi Yorifuji, Masumi Sugiyama, Toshiki Ohta, Kazuko Ishikawa-Takata, Hiroyuki Doi

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

Few epidemiological studies have examined the potential protective effects of physical activity on insomnia. The authors thus evaluated the association between physical activity and insomnia in a large population-based study in Shizuoka, Japan. Individual data were obtained from participants in an ongoing cohort study. A total of 14,001 older residents who completed questionnaires were followed for 3 yr. Of these, 10,211 and 3,697 participants were eligible for the cross-sectional and longitudinal analyses, respectively. The authors obtained information about the frequency of physical activity and insomnia. Then, the adjusted odds ratios and 95% confidence intervals between physical activity and insomnia were estimated. Habitual physical activity was related to lower prevalence of insomnia. Frequent physical activity also reduced the incidence of insomnia, especially difficulty maintaining sleep. For elderly people with sufficient mobility and no preexisting disease, high-frequency physical activity (e.g., 5 or more days/wk) may help reduce insomnia.

Original languageEnglish
Pages (from-to)119-139
Number of pages21
JournalJournal of Aging and Physical Activity
Volume21
Issue number2
Publication statusPublished - Apr 2013

Fingerprint

Sleep Initiation and Maintenance Disorders
Longitudinal Studies
Cross-Sectional Studies
Exercise
Preexisting Condition Coverage
Epidemiologic Studies
Japan
Sleep
Cohort Studies
Odds Ratio
Confidence Intervals
Incidence
Population

Keywords

  • Epidemiology
  • Exercise
  • Japan
  • Sleep disorder

ASJC Scopus subject areas

  • Geriatrics and Gerontology
  • Gerontology
  • Physical Therapy, Sports Therapy and Rehabilitation
  • Rehabilitation

Cite this

Does habitual physical activity prevent insomnia? A cross-sectional and longitudinal study of elderly Japanese. / Inoue, Sachiko; Yorifuji, Takashi; Sugiyama, Masumi; Ohta, Toshiki; Ishikawa-Takata, Kazuko; Doi, Hiroyuki.

In: Journal of Aging and Physical Activity, Vol. 21, No. 2, 04.2013, p. 119-139.

Research output: Contribution to journalArticle

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