Effects of cognitive behavior therapy for insomnia with adjunctive bright light therapy on sleep variability in youths with insomnia and eveningness: secondary analysis of a randomized controlled trial. - Pan, Y.; Cheung, F.T.W.; Chan, N.Y.; Chan, J.W.Y.; Zhang, J.; Li, A.M.; Espie, C.A.; Gradisar, M.; Wing, Y.-K.; Li, S.X. (Sleep Medicine, 2026)