失眠的认知行为疗法在随机对照试验中是如何提供的？一项范围性回顾。

Cognitive behavioural therapy (CBT) in general has demonstrated efficacy in treating insomnia, but there is some variation in the content of CBT for insomnia (CBT-I) across studies. We therefore conducted a scoping review of randomized controlled trials on CBT-I to determine how CBT-I is usually provided in randomized controlled trials. This knowledge is essential for writing evidence-based treatment guidelines and ensuring that clinical practice reflects interventions with proven effectiveness. The search was performed in Pubmed, Embase and Web of Science. A total of 514 publications were inc