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  1. Article

    Open Access

    Combined effect of daily physical activity and social relationships on sleep disorder among older adults: cross-sectional and longitudinal study based on data from the Kasama study

    This study investigated whether daily physical activity of older adults, combined with social relationships, is associated with the risk of sleep disorder. Further, it determined whether a high level of one va...

    Jaehoon Seol, Jaehee Lee, Koki Nagata, Yuya Fujii, Kaya Joho in BMC Geriatrics (2021)