ABSTRACT
Objective: to compare clinical effect of cognitive-behavior therapy and pharmacological treatment on chronic insomnia Method:48 patients with chronic insomnia were divided into 4 groups, receiving treatments of cognitive-behavior therapy, medication, placebo,and cognitive-behavior plus medication separately All of the subjects were assessed with polysomnogram over night and sleep diary Result:the three active treatments were more effective than placebo at post-treatment assessment On the eighth day of treatments, medication group and combined group showed improvement, sleep latencies were 20 min and 27 min, sleep efficacy were 80% and 82%, total sleep time were 381 min and 356 min, which were better than the results before treatments At the end of 8 weeks, cognitive-behavior group showed improvement in the above three indexes At the end of 8 months' follow-up, cognitive-behavior group still showed better effect in sleep latency 26 min, sleep efficacy 80%, total sleep time 378 min than those of 8 weeks While the indexes of the medication group and combined group could not maintain the effect of treatment Conclusion:medication shows a short-term effect on chronic insomnia, cognitive-behavior therapy shows long-term effect