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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She describes herself as a "sleep evangelist, " has nap rooms in her offices at the AOL headquarters in New York and tries to start every day with meditation.

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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 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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The National Highway Transportation Safety Administration says while sleep is the best cure, drinking two cups of coffee, followed by a 15-to-20-minute nap, can refresh some drivers for a short period of time.

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