Theories, research, and hippy baboons

As I have not done this for two days so I felt it was necessary to research it to see if I am just missing something...

SLEEP! Glorious, glorious sleep! T.T

Now, as we all know, sleep is what happens to most of us when we close our eyes for 8~17 hours and just kinda lay there... but what REALLY goes on? WHO CARES! I care about Stress and REM and Dreams. This will be a long one, so might edit it into two posts later.