Objective To study the adventage of computerized portable polysomnograph (healthdyne night watch, NW) compared to standard paper scoring polysomnograph (PSG).

• 目的了解全电脑无纸记录多导睡眠图(NW)与经典的有纸记录多导睡眠图(PSG)比较，其诊断睡眠呼吸暂停的可靠性及优越性。