This study aimed to investigate the efficacy of a Danish adaption of a transdiagnostic sleep and circadian intervention, combining cognitive behavioural therapy for insomnia with chronotherapy. A randomised controlled trial enrolling 88 outpatients with depression, attention deficit disorder, or bipolar disorder suffering from insomnia or circadian rhythm disorders was conducted. Patients with insomnia and/or circadian rhythm disorders were randomised to either an intervention group receiving…
