Cognitive-behavioral group therapy as an early intervention for insomnia: a randomized controlled trial

Area of Science:

• Sleep Medicine
• Behavioral Science

Background:

• Insomnia is a prevalent sleep disorder affecting millions.
• Early interventions are crucial for managing insomnia and improving patient outcomes.

Purpose of the Study:

• To compare the efficacy of a cognitive-behavioral group intervention (CBT) versus a self-help information package for insomnia.
• To evaluate long-term (1-year) effects of these early interventions on sleep parameters and daytime functioning.

Main Methods:

• A randomized controlled trial was conducted with 165 participants diagnosed with insomnia.
• Participants were assigned to either a CBT group intervention or a self-help information package.
• Data were collected at baseline and a 1-year follow-up, with 136 participants completing the study.

Main Results:

• The CBT group showed significant reductions in dysfunctional beliefs about sleep and negative daytime symptoms.
• Participants in the CBT group experienced substantial improvements in sleep onset latency, time awake after sleep onset, total sleep time, sleep quality, and sleep efficiency.
• A greater proportion of participants in the CBT group achieved clinically meaningful improvements in key sleep metrics compared to the self-help group.

Conclusions:

• Cognitive-behavioral group intervention is an effective early treatment for insomnia, yielding significant improvements in sleep and daytime functioning.
• CBT demonstrates a viable and effective approach for managing insomnia within diverse healthcare settings.