What is sleep exactly

Name: What is sleep exactly
Uploaded: 2013-08-28T00:33:16+00:00
Duration: 6 min 54 s
Channel: sleepstrategies
Description: http://greatnightsleep.wordpress.com <br />What exactly is sleep ?<br /><br />We spend around a third of our lives sleeping. But what is sleep exactly? This is the video where I answer this important question.

sleepstrategies

http://greatnightsleep.wordpress.com  What exactly is sleep ?  We spend around a third of our lives sleeping. But what is sleep exactly? This is the video where I answer this important question.

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