4,901,169 views 149 on YTPak
24,486 449

Published on 14 Nov 2012 | over 4 years ago

TWEET IT - clicktotweet.com/aQNb5

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).

TWITTER: www.twitter.com/AsapSCIENCE
FACEBOOK: www.facebook.com/AsapSCIENCE

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

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

Sources----

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

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

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

Loading related videos...