Longitudinal study of influences of physical exercise on subjective evaluation of sleep and health-related quality of life in a general Japanese population

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The aim of this study was to contribute to the strategy for prevention of lifestyle-related diseases through understanding the relationship of them with sleep. We conducted the general medical check-ups and the promotion of physical exercises (intervention) with the participants, who were residents of Iwaki area, Hirosaki city, Aomori prefecture. Our study revealed the association of sleep conditions with depression, quality of life and obesity. Additionally, acquiring exercise habits appeared to have influences on certain metabolisms and depression, thus improving mental conditions as well as physical conditions. We concluded that a support programme from mental aspects was needed to prevent sleep disorders and to acquire good sleep habits so that continuous exercises could provide promotion of physical and mental health.