昏睡症的致命感染始于采采蝇的一叮。

The fatal infection begins with the bite of a tsetse fly.

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大笑常触发昏睡症患者虚脱。而患昏睡症的狗在晚餐时间变得异常激动，在院子里放纵地玩耍。

Laughter often triggers a collapse in human narcoleptics, whereas narcoleptic dogs can crumple from the thrill of dinnertime or being let loose to play in the yard.

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Nishino也指出诊断为昏睡症的患者常常开始感觉日间昏昏欲睡，直到6个月至一年后才出现突然的肌力丧失。

Nishino also points out that patients diagnosed with narcolepsy often don't experience abrupt loss in muscle tone until six months to a year after they began to experience daytime drowsiness.

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Nishino也指出诊断为昏睡症的患者常常开始感觉日间昏昏欲睡，直到6个月至一年后才出现突然的肌力丧失。

Nishino also points out that patients diagnosed with narcolepsy often don't experience abrupt loss in muscle tone until six months to a year after they began to experience daytime drowsiness.

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