An elderly person may nap during the day and then sleep only five hours a night.

上了年纪的人白天会小睡一会儿，然后晚上只睡5个小时。

《柯林斯英汉双解大词典》

Instead, in the hour or two before your nap time, eat foods high in calcium and protein, which promote sleep.

相反，在午睡前一两个小时，吃点富含钙和蛋白质的食物，可提高睡眠质量。

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A good night's sleep makes a big difference. And even a quick nap can help you see things clearly.

一整晚良好的睡眠会带来巨大的差异，甚至一个短暂的打盹儿也能帮助你将事情看清。

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With the zeal of a convert, she has banned glowing screens from her bedroom, drinks ginger juice in lieu of morning coffee, uses a Jawbone Up bracelet to track her sleep and got AOL to install nap rooms for her employees.

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The trouble is that everyone needs to sleep, and even a short morning nap after a sleepless night brings the depression roaring back.

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The promise is that, with the aid of a special algorithm, the band will help you sleep better, wake up happier and nap more effectively.

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