Personality and sleep quality: Evidence from four prospective studies.

ABSTRACT: OBJECTIVE:The present study examined the longitudinal association between personality traits and sleep quality in 4 samples of middle-aged and older adults. METHOD:Participants (N > 22,000) were adults aged 30 to 107 years old from the Wisconsin Longitudinal Study (WLS), the Midlife in the United States Study (MIDUS), the Health and Retirement Study (HRS), and the Midlife in Japan Study (MIDJA). Personality and sleep quality were assessed at baseline and again 4 to 10 years later. RESULTS:Scoring lower on neuroticism and higher on extraversion was associated with better sleep quality at baseline and over time, with effect sizes larger than those of demographic factors. Low conscientiousness was associated with a worsening of sleep quality over time. Openness and agreeableness were unrelate

SUBMITTER: Stephan Y 

PROVIDER: S-EPMC5837948 | biostudies-literature | 2018 Mar

REPOSITORIES: biostudies-literature