Objective To explore the behavioral and physiologic changes of sleep in the heroin addicts.Methods Sleep behavior and all night polysomnographic recording were performed in 32 heroin addict and 21 normal controls.Results ①Compared with control group,the incidences of sleep continuity disturbance,easy wake,hypersomnia and difficulty falling asleep in patient group weer significantly increased (P<0.05~0.01).②REM latency was shorter in patients than that in controls;and slow wave sleep,sceeper,sleep maintenance in patient group were markedly decreased (P<0.05~0.01).While the awake dutation,arousal times,sleep stage,tate of awake/asleep were increased in patient group(P<0.05~0.01);The average duration in Ⅲ and Ⅳ stage was [(9.1±1.3)%] and the duration in Ⅰ stage was [(14.8±2.8)%].Conclusions It is consistent the behavioral disorders of sleep with the physiologic dysfunction in heroin addicts,and the pathogenesis of sleep disturbance may result from the etiology of heroin addicts.Heroin addicts have severe problems in sleep after detoxification,It is very important to pay more attention to the improvement of sleep quality and psychological treatment of heroin addicts during detoxification.