"A good night's sleep is like pushing the reset button in your brain, " says Edward Hallowell, M.

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Before going to sleep each night, I pressed and held a button on the Up that illuminated a tiny moon on the band, indicating I was going to sleep.

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At the end of the night, you tell it you're going to sleep by pressing and holding the lone button until the Up vibrates and the tiny moon-shaped light glows.

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Simply triggering a recessed panic button puts the cellie into "fake sleep" mode and tells it to capture as many pics, vids, and sounds as it can.

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You may feel guilty hitting the snooze button and skipping the morning workout, but sometimes the extra hour of sleep is more important than an hour on the treadmill.

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