Sleep disturbances are linked to adolescent externalizing behaviors and attention-deficit/hyperactivity disorder (ADHD) symptoms. However, few studies have examined associations between objectively measured sleep architecture and these behavioral outcomes. This study investigated whether specific sleep stages and fragmentation are associated with externalizing behaviors and ADHD symptoms in a large U.S. population-based cohort. Participants were 4,545 adolescents (48.4% female; 73% White) from…
