睡眠呼吸暂停综合征(OS-AHS),又称睡眠呼吸暂停低通气综合征,是指每晚在7个小时睡眠过程中,呼吸暂停反复发作30次以上,或睡眠呼吸暂停低通气指数(AHI)大于或等于5次/小时,并伴有嗜睡等临床症状。呼吸暂停是指睡眠过程中口鼻呼吸气流完全停止10秒钟以上;低通气是指睡眠过程中呼吸气流强度(幅度)较基础水平降低50%以上,并 Sleep apnea syndrome (OS-AHS), also known as sleep apnea-hypopnea syndrome, refers to episodes of apnea-recurrent episodes of more than 30 episodes or sleep apnea-hypopnea syndrome (AHI ) Greater than or equal to 5 times / hour, accompanied by drowsiness and other clinical symptoms. Apnea refers to sleep during the snort breathing completely stopped more than 10 seconds; hypoventilation refers to sleep during the respiratory airflow intensity (amplitude) lower than the basic level of more than 50%, and