Effectiveness of Cognitive Behavioural Therapy for Insomnia in Adults With Coronary Heart Disease A Randomized Study With Six Months Follow-up

What this Trial Is About

Insomnia is common in patients with coronary heart disease CHD, affecting about 45% of this group and increasing the risk of further heart problems. This research aims to evaluate the effectiveness of Cognitive Behavioural Therapy for Insomnia CBT-I in helping CHD outpatients who have insomnia, compared to sleep hygiene advice. The study also seeks to understand the biological and psychological factors that may influence treatment effects and to explore participants experiences and health-economic outcomes. Participants will be randomly assigned to one of two groups one receiving a short, nurse-led CBT-I program delivered in group sessions over five weekly meetings, and the other receiving written sleep hygiene advice. The CBT-I includes techniques such as sleep hygiene, stimulus control, sleep restriction, relaxation training, and cognitive restructuring. The study will follow participants for six months after treatment to assess outcomes. Throughout the study, participants will complete sleep diaries and undergo assessments of insomnia severity using the Bergen Insomnia Scale and other measures like the Pittsburgh Sleep Quality Index, sleep efficiency, total sleep time, and symptoms of depression or anxiety. The researchers will also collect data on inflammation, cortisol, and blood sugar levels. The main outcomes include remission of insomnia and changes in insomnia severity at the end of treatment and six months later, with ongoing monitoring to evaluate quality of life and daytime symptoms.

Cognitive Behavioural Therapy for Insomnia in Patients With Coronary Heart Disease