Sleep quality and depressive symptoms among Korean older adults (opens in new tab)

Depression and sleep disturbance frequently co-occur in older adults; however, their association remains underexamined in the Korean population. This study investigated the relationship between sleep quality and depressive symptoms in community-dwelling Korean older adults. Data from 924 participants (aged 55–80 years) from the aging-cognition cohort were analyzed. Sleep quality was measured using the Pittsburgh sleep quality index (PSQI), and depressive symptoms were assessed using the 30-it...