TrialsgrambetaRCTs are beautiful

Chronic insomnia

4 trials
  • 2018van Straten MAMeta-analysisAcross 87 RCTs of CBT-I, CBT-I produced large and durable improvements in insomnia severity and sleep efficiency relative to control conditions.
  • 2015Trauer MAMeta-analysisAcross 20 RCTs and 1,162 adults with chronic insomnia, cognitive behavioural therapy for insomnia reduced sleep-onset latency and wake after sleep onset relative to inactive controls.
  • 2001Edinger CBT-ICBT-IIn 75 adults with chronic primary insomnia, 6 weeks of CBT reduced wake after sleep onset and restored normal sleep compared with progressive muscle relaxation or sham therapy.
  • 1999Morin Late-LifeCBT-IIn 78 older adults with chronic primary insomnia, CBT or temazepam (alone or in combination) reduced wake after sleep onset compared with pill placebo, with only CBT durable at 24 months.