First Question: No. Lack of sleep stops you from resting. NEXT

Quote Originally Posted by Portalboat View Post
Well, from what I know, the mind doesn't need rest. Although, of course, if you decide to live out a second life, THEN you might go insane.

But my answer is: That's why we don't have lucids every night.

Quote Originally Posted by Lucidness View Post
I dont think so, because your sub concious mind is always doing something all the time. Whether your dreaming or not. But as someone has said, trying to live a second life in your dreams all the time, might make you go a bit insane.
I have lucids every night. I live out a second life in dreams. I am going crazy, wanna come?