Objective To explore the polysomnography(PSG) characteristice of obstructive sleep apnea hypopnea syndrome(OS-AHS) and primary snoring(PS) in children and clinical value of PSG in children with sleep disorders.

• 目的探讨阻塞性睡眠呼吸暂停低通气综合征(OSAHS)及鼾症患儿多导睡眠图(PSG)的特点及PSG对儿童睡眠障碍的临床价值。