The longitudinal role of sleep on self-harm during adolescence: A birth cohort study.

ABSTRACT:

Background

Sleep problems and self-harm during adolescence are both highly common and major public health concerns, yet the nature of their relationship remains poorly understood. This study examined the cross-sectional and long-term effects of several sleep phenotypes on self-harm and whether decision-making moderated this relationship.

Methods

Data was utilised from the Millennium Cohort Study (n = 10,477, Female = 5,314 [50.72%]) when individuals were approximately 9 months, 14 years and 17 years of age. Sleep variables available were measured at 14 years and included sleep duration on weekdays and weekends, social jetlag, sleep onset latency and night awakenings. Self-harm was measured at 14 and 17 years. The Cambridge Gambling Task assessed rational decision-making at 1

SUBMITTER: Pawley M 

PROVIDER: S-EPMC12699108 | biostudies-literature | 2026 Jan

REPOSITORIES: biostudies-literature