Effectiveness of a Guided Self-help Intervention for Improving Sleep in University Students

Module 1 Psychoeducation about normal sleep and insomnia, Psychoeducation on the biological clock: the circadian rhythm, chronotypes, zeitgebers, importance of light behaviour Basic sleep hygiene: information about behaviours that are known to promote or impede sleep e.g. performing physical exercise or the use of caffeine Module 2 Sleep restriction and stimulus control: patients are taught to use the bedroom only to sleep and to restrict the time in bed to the average amount of night-time sleep Module 3 Worrying and relaxation: audio files with progressive muscle relaxation exercises are offered and techniques to stop worrying (e.g. thought blocking, evaluation and worry time) Module 4 Erroneous cognitions about sleep: the basics of cognitive behavioural therapy are explained and the most common erroneous ideas about insomnia are discussed Module 5 Summary and plan for the future

Online psychoeducation about sleep and the biological clock, basic sleep hygiene