From: Sleep duration and sleep disturbances in association with falls among the middle-aged and older adults in China: a population-based nationwide study
CHARLS
CLHLS
Sleep Duration in Hours
(night + nap after lunch)
(night + nap at any time)
≤ 5
24.6%
13.1%
6–7
32.5%
6
16.2%
7
18.0%
8
24.7%
28.0%
9–10
9.1%
9
9.2%
≥10
15.5%
≥ 11