(CBS) - We all sleep and dream, but how many of us fully understand the "why?" behind it and what's really going on when we're out? The above video lays out in a very clear way some of the process and science behind dreaming. Watch, listen and learn.
The video was posted by YouTube user vsauce, who is kind enough to also provides links to information that further explains most of the concepts and research behind the fascinating and not-so-simple dream. If you'd like to learn more and see other videos by vsauce, you can click here to check out his YouTube page.
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