Unraveling the Link between Sleep Duration and Internalizing Symptoms in Pediatric Attention Deficit Hyperactivity Disorder (ADHD)

We examined whether sleep duration predicted internalizing symptoms in children with ADHD. Participants were 126 youth (Mage = 8.70), and data included parent-reported sleep and BASC-3 ratings. Sleep duration significantly correlated with anxiety (p = .012), but not depression (p = .085) or somatization (p = .758), supporting symptom-specific associations.