04/28/2014 09:14 am ET Updated Apr 28, 2014

This Test Will Tell You If You Need More Sleep

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Everyone can probably benefit from a few extra Zs at night, but is your lack of sleep at the level of sleep deprivation?

In a new video from YouTube channel In 59 Seconds, Richard Wiseman explains the main indicators of sleep deprivation, including needing several cups of coffee a day, or needing an alarm clock to wake up.

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