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Commentary on: Ritterband LM, Thorndike FP, Ingersoll KS, et al. Effect of a web-based cognitive behavior therapy for insomnia intervention with 1-year follow-up: a randomized clinical trial. JAMA Psychiatry 2017;74:68–75.
What is already known on this topic?
Insomnia is a widespread health problem, with cognitive behavioural therapy for insomnia (CBT-I) considered as first-line treatment.1 Unfortunately, access to CBT-I treatment is limited due to limited numbers of trained therapists and cost. Randomised controlled trials (RCTs) have provided strong evidence for web-based CBT-I as an effective treatment for insomnia.2 However, these studies have been of short duration and excluded people with comorbidities.3–5
Methods of the study
One thousand two hundred and twelve US-based participants were screened after indicating interest in the trial. The final study comprised 303 adults, aged 21–65 years (mean age: 43.28 years); 72% were female; 84% were white; and 78% had a college degree or higher. Participants were very computer literate with 96% checking their email daily, and had symptoms of …
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