This study investigates the relationship between Sluggish Cognitive Tempo (SCT) and circadian preferences in children and adolescents. We also aimed to assess the relationship between digital game addiction and SCT, as existing literature is insufficient, particularly given the similarities between SCT and Attention Deficit Hyperactivity Disorder (ADHD) in relation to internalizing symptoms and comorbidity. This study involved 72 children and adolescents with SCT and 77 healthy controls, aged…