Investigating a Sleep Intervention for Adolescents Attending Mental Health Services

The overall objectives of the study are to: 1. To assess the feasibility of delivering the Strathclyde Sleep Intervention to adolescents with co-morbid insomnia and mental health attending a mental health services The following feasibility benchmarks will be assessed: recruitment and retention, participant attendance, staff training, intervention fidelity and participant adherence. 2. To examine participant acceptability. The researchers will conduct qualitative interviews with the participants and delivery staff to examine the acceptability of the programme. 3. To investigate the preliminary effectiveness by assessing the following: sleep parameters, insomnia symptoms, Circadian phase preference (baseline only) and mental health symptoms. Data will be collected at baseline, post-intervention and 3 month follow-up.