But for some people, excessive sleepiness actually gets in the way of daily work, childcare, and even leisure activities.

但是，对一些人来说，过分的瞌睡妨碍了日常的工作，照顾孩子，甚至连休闲活动的时间都没有了。

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But the regulators weren't buying the evidence put forward by the company to prove the medicine's benefits in treating travelers' "excessive sleepiness" outweighed its risks.

Cephalon举出证据以证明Nuvigil治疗旅者“过度瞌睡”的益处大于它的风险，但是监管局并不买账。

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If there is excessive daytime sleepiness and desire to nap, in spite of adequate sleep time, this might suggest a sleep disorder warranting further evaluation.

如果白天有很强的睡意，想小睡一会，虽然有充足的睡眠时间，这也许意味着睡眠障碍需要进一步评估。

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One-third of the 32 patients in the study have relatives with excessive sleepiness to varying degrees.

WSJ: Unraveling the Riddle of Too Much Sleep

Right now, it is only approved for use in narcoleptics suffering from excessive sleepiness during the day.

FORBES: What Keeps Cephalon Awake At Night?

Its lead drug, modafinal, is a widely used treatment for excessive sleepiness that is also awaiting approval for treating ADHD in children.

FORBES: Magazine Article