![](https://criticate-dev.s3.amazonaws.com/default/sizes/default_image_342_513.jpg)
To Sleep, Perchance to Dream - S1.E9 - Crash Course Psychology
Why do we sleep? Well... that's a tricky question. More easily answered is the question,"How do we sleep?" In this episode of Crash Course Psychology, Hank discusses some of the ways our brain functions when sleeping and how it can malfunction as well.
To Sleep, Perchance to Dream - S1.E9 - Crash Course Psychology
March 31, 2014
Video reviews
There are no video reviews for this tv episode yet.
Video reviews
0 review(s)
Text reviews
0 review(s)