The Science of 'Morning Wood'

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The Sex-Ed class you never got in school! Why do men tend to wake up with "morning wood"? We look at the hard facts and some of the biology of an erection, to discover the mechanism behind this phenomenon.

Written and created by Mitchell Moffit (twitter @mitchellmoffit) and Gregory Brown (twitter @whalewatchmeplz).

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Music by Mitchell Moffit
http://www.mitchellmoffit.com
http://www.twitter.com/mitchellmoffit
http://www.facebook.com/mitchellmoffit

Art by Gregory and Mitchell
http://www.gregorybrownart.tumblr.com
http://www.twitter.com/whalewatchmeplz

Sources----

Sexual arousal:
1) http://joe.endocrinology-journals.org/content/186/3/411.full

Sleep:
2) http://en.wikipedia.org/wiki/Sleep

NPT and impotence:
3) http://www.ncbi.nlm.nih.gov/pubmed/3344559

Видео The Science of 'Morning Wood' канала AsapSCIENCE