The Effect of Cognitive Behavioral Therapy focused in Insomnia (CBTFI) on Improving Sleep Quality and Insomnia Severity in Patients with Primary Insomnia Disorder

Aim and Insomnia disorder is a common sleep disorder in which one is unable in sleep onset or its maintenance or continuity. So Current work aims to investigate cognitive behavioral therapy on insomnia disorder treatment.Methods and Materials: Through random sampling 20 individuals with insomnia disorder selected among patients who referred to psychiatrists with complaints of insomnia symptoms in Isfahan, Iran. Farsi versions of Peterborough sleep quality index (PSQI) (Pittsburg Sleep Quality Index) and insomnia severity index (ISI) were used to assess sleep quality and insomnia severity as primary and secondary outcomes after a course of 9 weeks cognitive behavioral therapy. Statistical package for social sciences (SPSS) version 18 was used for analyzing the data. Covariance analysis was used in this work. Analysis of covariance showed that cognitive behavioral therapy is effective by 65.7 percent in reduction of ISI tests scores and by 84.7 percent in improvement of sleep quality in PSQI questionnaire, and this which is significantly due to effect of group membership in case group. Participants reported improvement of duration and sleep.They also reported more freshness at morning, less distress about and better coping with insomnia. Assuming that one’s automatic thoughts influence insomnia, this disorder can be treated by changing these thoughts and cognitive behavioral therapy was effective in this regards. Further studies are warranted to investigate the efficacy of CBTFI on other formats of sleep disorders.