Background Quantifying the effect of depression on sleep duration is of great importance to
the diagnosis, control, prevention of sleep-related diseases and understanding related …

Background There are several studies that have focused on the relationship between sleep
duration and depression, however, only a few prospective studies have centered on the …

Objective: To investigate the relationships between sleep duration and depression among
middle-aged and older adults in China. Methods: This study used the data of 17,744 …

Objective To investigate the relationship between sleep duration and depressive symptoms
in older people in China, and to explore whether there are gender differences in the …

Aim This study aimed to evaluate the longitudinal association between sleep duration and
depressive symptoms among the elderly in China. Methods A data set from China Health …

Objective This study aims to investigate whether depression is associated with subsequent
sleep duration among middle-aged and elderly people in China. Study design Cross …

Background This study aimed to examine the association between sleep duration, sleep
problems, and depression in Northwest China. Method Depression was diagnosed at the …

Objectives The objective of this study was to understand how sleep duration could affect
depression among elderly in China. Method A total of 7103 individuals aged 60 and older …

Background Evidence of an association between sleep duration and depression was
inconsistent. Methods Adults who participated in the National Health and Nutrition …

Objective: To explore the relationship between sleep duration and depressive symptoms in
middle-aged and elderly people. Methods: A total of 11 931 middle-aged and elderly people …