A sleep expert explains what happens to your body and brain if you don't get sleep

Sleep expert Matthew Walker breaks down the many effects of sleep deprivation on your brain and body. Following is a transcript of the video.

By: Noah Friedman and Lamar Salter Dec. 26, 2017, 12:24 PM

Read More: http://www.businessinsider.com/what-happens-when-you-dont-get-enough-sleep-2017-12/?IR=T