AIM:To investigate the significance of variation of each parameter during rapid eye movement(REM) sleep in assessing the severity of sleep apnea syndrome(SAS) by measuring the parameter changes of REM sleep in patients with SAS.

• 目的:通过测量睡眠呼吸暂停综合征(sleepapneasyndrome,SAS)患者快速眼动期(rapideyemovement,REM)中各项参数的变化,以探讨REM期睡眠各项参数变化对SAS病情严重程度评估的意义。