U.S., Oct. 9 -- ClinicalTrials.gov registry received information related to the study (NCT07865728) titled 'Transdiagnostic Sleep Intervention to Improve Mental Health in Adolescents' on Sept. 28.

Brief Summary: This cluster randomized controlled trial will evaluate whether a brief, school-based group adaptation of the Transdiagnostic Intervention for Sleep and Circadian Dysfunction (TranS-C) improves sleep and mental health in adolescents aged 14 to 17 years. Public secondary schools in Navarre (Spain) will be randomly assigned, stratified by urban/rural location, to deliver either TranS-C or an attention-matched healthy-habits psychoeducation program. Both programs consist of four weekly 45-minute group sessions delivered during school h...