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Uploaded by Zeo on Feb 14, 2011
http://www.myzeo.com - John Winkelman, of Sleep HealthCenters, explains how circadian rhythm lines up--or does not--with our sleep cycles. This is part of Zeo Expert Answers.
Science & Technology
Standard YouTube License
This guy looks like he needs sleep
rabbitczar 3 months ago 5
He looks like he needs some beauty sleep, because he's one ugly son of a bitch.
crossingforward 4 days ago
cheers
RivalFilmStudios 9 months ago
very informative thank you Dr Winkelman
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sbatrouney 9 months ago
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This guy looks like he needs sleep
rabbitczar 3 months ago 5