Associations of sleep with psychological problems and well-being in adolescence: causality or common genetic predispositions?

ABSTRACT:

Background

Whereas short and problematic sleep are associated with psychological problems in adolescence, causality remains to be elucidated. This study therefore utilized the discordant monozygotic cotwin design and cross-lagged models to investigate how short and problematic sleep affect psychological functioning.

Methods

Adolescent twins (N = 12,803, 13-20 years, 42% male) completed questionnaires on sleep and psychological functioning repeatedly over a two-year interval. Monozygotic twin pairs were classified as concordant or discordant for sleep duration and trouble sleeping. Resulting subgroups were compared regarding internalizing problems, externalizing problems, and subjective well-being.

Results

Cross-sectional analyses indicated associations of worse psycho

SUBMITTER: Vermeulen MCM 

PROVIDER: S-EPMC7818180 | biostudies-literature | 2021 Jan

REPOSITORIES: biostudies-literature