短语词组短语sleep -onset rapid eye movement period 发作性快眼运动期Sleep -onset association disorder 入睡联结障碍;入睡相关障碍Sleep Onset Insomnia 入睡性失眠wake after sleep onset 觉醒;入睡后的觉醒sleep onset REM period 睡眠阶段time to sleep onset 开始时间 返回 sleep onset