Efficacy of Group Cognitive Behavioural Therapy for Youth Anxiety and Insomnia

The intervention will consist of eight weekly group sessions (120-min, 5-8 adolescents in each group) delivered within a 10-week windows. The treatment components aim to address the behavioural, cognitive and physiological factors perpetuating insomnia whilst considering the sleep and circadian features in adolescents and developmental context with the following key elements: psychoeducation about sleep, circadian rhythm and sleep hygiene, stimulus control, sleep restriction, relaxation training, structured worry time, cognitive restructuring (targeting sleep-related dysfunctional cognitions), and relapse prevention.

The intervention will consist of eight weekly group sessions (120-min, 5-8 adolescents in each group) delivered within a 10-week windows. The CBT-A treatment is modified from the Coping Cat programme, which incorporates psychoeducation and the core behavioural strategies and cognitive skills for managing anxiety (e.g. exposure, relaxation training, cognitive restructuring).