Associations between objectively assessed physical fitness levels and sleep quality in community-dwelling elderly people in South China.
Xin PengNan LiuXiaoXia ZhangXinYu BaoYiXian XieJunXuan HuangPei-Xi WangQingFeng DuPublished in: Sleep & breathing = Schlaf & Atmung (2018)
Our results indicated that sleep quality was strongly associated with physical fitness among community-dwelling elderly people; the lower of the physical fitness predicted poorer sleep quality.