The Association between Nap Duration, Nighttime Sleep, and Depressive Symptoms among Elderly People in China: an Empirical Analysis based on 2020 CHARLS Data
ZHOU Mei, YANG Aiqiong, XING Ying, WANG Yuling
Chinese General Practice . 2025, (05): 560 -567 .  DOI: 10.12114/j.issn.1007-9572.2024.0226