婴儿需要大量的睡眠，以及国家行动方案的一个关键部分。

Babies need lots of sleep, and naps are a critical part of this.

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所以不要指望获得大量的睡眠时参宿四星爆炸，因为要做世界的唯一明智事情会举行为期一周的全球超新星宴会。

So don't count on getting a lot of sleep when Betelgeuse explodes, because the only sensible thing for the world to do will be to throw a weeks-long global supernova party.

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一些研究人员假设，腺苷与大量位点的累积结合导致了睡眠的开始。

Some researchers have hypothesized that it is the cumulative binding of adenosine to a large number of sites that causes the onset of sleep.

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