Date of Graduation
Eberly College of Arts and Sciences
Nicholas A Turiano
Personality traits and sleep are associated with health and longevity; however, no investigation has examined whether sleep is a pathway linking personality to mortality risk. Thus, we tested this effect across a 20-year mortality follow-up period in the Midlife Development in the United States (MIDUS) cohort (N = 3,253; M age = 47.03 years, SD = 12.39, range = 20-75), using proportional hazards in a structural equation modeling (SEM) framework. Openness was the only trait predictor of death risk. Daytime sleepiness and short and long sleep duration also emerged as predictors of mortality risk. We found indirect effects for neuroticism, agreeableness, and extraversion on mortality risk through these sleep components. Our findings suggest sleep is a mechanism underlying the personality-mortality effect and has applications for personality-based health interventions.
Spears, Shantel, "Personality, Sleep, and Mortality" (2018). Graduate Theses, Dissertations, and Problem Reports. 6698.