Longitudinal associations between high school sleep characteristics and young adult health outcomes.

Study Objectives: Short sleep duration and evening chronotype are independently associated with negative health outcomes. However, it is unclear how adolescent sleep duration and chronotype are longitudinally associated with health outcomes during early adulthood.

Methods: Participants from the NEXT Generation Health Study (n = 2,783; 54.

Three Dimensions of Sleep, Somatic Symptoms, and Marijuana Use in U.S. High School Students.

Purpose: This study aimed to investigate potential bidirectional relations between key sleep characteristics and somatic symptoms with past 30-day marijuana use in high school students.

Methods: Participants from the NEXT Generation Health Study (n = 2,770) reported on 10th and 11th grade (W1 and W2) sleep characteristics and somatic symptoms and 12th grade (W3) past 30-day marijuana. Multivariate logistic regressions and path analyses were conducted.