Table 1 Content of each weekly CBT-I treatment module
Week 1 | Content | Treatment overview |
Predisposing, precipitating, and perpetuating factors of insomnia | ||
Homework | Dysfunctional beliefs and attitudes about sleep assessment | |
Week 2 | Content | Sleep hygiene |
Homework | Sleep hygiene assessment | |
Week 3 | Content | Basic facts about sleep |
Relaxation therapy | ||
Homework | Diaphragmatic breathing relaxation (daily practice) | |
Sleep diary (at least three diaries per week) | ||
Week 4 | Content | Sleep restriction |
Stimulus control | ||
Homework | Sleep diary (at least three diaries per week) | |
Sleep restriction (sleep efficiency ≥ 90%; 15 min per week maximum) | ||
Week 5 | Content | Cognitive restructuring |
Constructive worry | ||
Cognitive distortions | ||
Homework | Thought record | |
Week 6 | Content | Integration and review of all treatment content |
Shift work |