Comparative study of effectiveness of cognitive behavioral self-help therapy and zolpidem on patients with chronic insomnia

Objective To test the efficacy of cognitive behavioral self-help therapy (CBTI-SH) on patients with chronic insomnia vs.a zolpidem control condition.Methods A total of 60 adults with chronic insomnia and common comorbidities were recruited from our hospital from July 2011 to October 2012.Participants were randomly assigned to either intervention group (n=30),consisting of sleep hygiene plus four-week CBTI-SH with printed material and 2 telephone...