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Simplified sleep restriction for insomnia in general practice: a randomised controlled trial.
Karen Falloon1, C Raina Elley1, Antonio Fernando2
1Department of General Practice and Primary Health Care;
Summary
Simplified sleep restriction (SSR) effectively improves sleep quality and reduces insomnia severity in adults with primary insomnia. This brief intervention is suitable for general practice, offering a practical solution for common sleep issues.
Area of Science:
- Sleep Medicine
- Behavioral Science
- Primary Care Research
Background:
- Insomnia is a prevalent condition frequently encountered in primary care settings.
- Cognitive Behavioral Therapy for Insomnia (CBT-I) is effective but time-intensive for typical consultations.
- Sleep restriction is a key behavioral component of CBT-I.
Purpose of the Study:
- To evaluate the efficacy of a simplified sleep restriction (SSR) protocol in improving sleep among individuals with primary insomnia.
- To determine if SSR can be a viable intervention within the constraints of general practice.
Main Methods:
- A randomized controlled trial conducted in urban general practices in Auckland, New Zealand.
- Participants with persistent primary insomnia and no significant comorbidities were randomized.
- Intervention group received SSR and sleep hygiene advice; control group received sleep hygiene advice only.
Main Results:
- At 6 months, SSR significantly improved sleep quality (PSQI, ISI) and sleep efficiency (SE%) compared to controls.
- SSR demonstrated higher rates of insomnia remission (67% vs. 41%), with a number needed to treat of 4.
- Adjusted odds ratio for insomnia remission with SSR was 2.7, indicating a significant treatment effect.
Conclusions:
- Simplified sleep restriction (SSR) is a brief and effective intervention for primary insomnia in adults without comorbidities.
- SSR is well-suited for implementation in general practice settings.
- This approach offers a practical and evidence-based option for managing insomnia in primary care.
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