Wife-Husband Differences in the Associations Between Sleep Durations and Global Cognition Among Middle-Aged and Older Married Couples in China: A Longitudinal Dyadic Analysis.
BACKGROUND Sleep duration has well-established U-shaped associations with cognitive health, but research has largely ignored spousal interdependence. This study examined actor and partner effects of sleep duration on global cognition in middle-aged and older Chinese couples, testing whether associations differed by sex...