为一种不可抗拒的睡眠发作，大多病因未明。。除正常睡眠外，可在任何时间或场所（如行走、谈话、进食和劳动中）入睡，不可自制。每次持续数分钟至数小时，可一日数发。
狗已经被用作很多疾病的模型如发作性睡眠，一些癌症，以及盲症。
Dogs already serve as models for diseases such as narcolepsy, certain cancers and blindness.
发作性睡眠患者不仅困倦嗜睡，而且还突发肌力失调。在一些极端的例子中，甚至引起虚脱和数分钟意识完全清醒地僵直发作。
Narcoleptics suffer not only from sleepiness, but also from sudden loss of muscle tone that, in extreme cases, can cause them to collapse and remain frozen - fully conscious - for minutes at a time.
发作性睡眠患者不仅困倦嗜睡，而且还突发肌力失调。在一些极端的例子中，甚至引起虚脱和数分钟意识完全清醒地僵直发作。
Narcoleptics suffer not only from sleepiness, but also from sudden loss of muscle tone that, in extreme cases, can cause them to collapse and remain frozen-fully conscious-for minutes at a time.
应用推荐