临床医生之所以关心睡眠问题是有许多原因的。在神经科医院很早就发现了有睡眠障碍的人可以发生各种症状群:有的失眠,这多见於神经病患者;有的睡眠过多(嗜眠症),这特别常见於流行性脑炎及对於各种麻醉剂成习惯性(瘾)者;也有的睡眠节律失常,这主要是多见於流行性脑炎患者。临床医生企图根据睡眠障碍的情形来确定脑受损害的部分。在许多年以前,生理学家们有很多人认为可 There are many reasons why clinicians care about sleep problems. Early in the neurology hospital found that people with sleep disorders can occur a variety of symptoms: some insomnia, which is more common in neurological patients; and some sleep excessive (narcolepsy), which is particularly common in encephalitis And for a variety of anesthetic habitual (addiction) who also have sleep disorders, which is mainly seen in patients with encephalitis. Clinicians try to determine the parts of the brain that are impaired by the condition of the sleep disorder. Many years ago, many physicians thought they could