Stepansky R, Asenbaum S, Saletu B, Zeitlhofer J
Universitätsklinik für Neurologie, Wien, Osterreich.
Wien Klin Wochenschr. 1997 Nov 28;109(22):869-77.
Hypersomnia (excessive sleepiness) accompanies many diseases. 14% of the total Austrian population regularly have problems staying awake during the day or are prone to taking spontaneous naps. Hypersomnia is a symptom of the sleep apnea syndrome, which is a risk factor for cerebrovascular disorders. Daytime sleepiness is also a characteristic symptom of narcolepsy, idiopathic hypersomnia, episodic hypersomnia, and many more neurological or psychiatric disorders; it can also be drug induced. Involvement of brain structures which are essential for the regulation of the sleep wake cycle as a result of neurological disorders can likewise lead to hypersomnia. Symptomatic treatment is necessary when treatment of the causal factors is not possible or no improvement has been achieved.
嗜睡（过度困倦）伴随多种疾病。奥地利总人口中有14%的人经常在白天难以保持清醒，或者容易自发打瞌睡。嗜睡是睡眠呼吸暂停综合征的一种症状，而睡眠呼吸暂停综合征是脑血管疾病的一个风险因素。白天嗜睡也是发作性睡病、特发性嗜睡症、发作性嗜睡症以及许多其他神经或精神疾病的典型症状；它也可能由药物引起。由于神经疾病导致对睡眠-清醒周期调节至关重要的脑结构受累同样可导致嗜睡。当无法对病因进行治疗或未取得改善时，对症治疗是必要的。
