Optimism and Sleep in Aging Women: Bidirectional Relationships.

ABSTRACT:

Objective

Sleep quality and duration are important for biological restoration and promotion of psychological well-being. Optimism may facilitate or result from sufficient sleep, but questions remain as to directionality. The present study tested how optimism is associated with levels of and variability in sleep quantity and quality in a longitudinal burst design.

Methods

Midlife and older women ( N = 199) reported their sleep quantity and quality in online diaries for a 7-day period, every 3 months for 2 years. Optimism was measured at baseline and end-of-study. Multilevel models tested the effects of optimism on sleep. Linear regression models tested the effect of sleep on optimism.

Results

Baseline optimism was associated with higher sleep quality ( γ = 2.13 [1.16 t

SUBMITTER: Monroe AD 

PROVIDER: S-EPMC11081851 | biostudies-literature | 2024 May

REPOSITORIES: biostudies-literature