Why do we sleep? Who knows? Who cares?

Why do we sleep? Nobody knows!
There are many theories, ideas, traditions and explanations.
Medicine and Science describe the function of sleep, but not the reason why we sleep, as having to do with resting the body and muscles that we used through out the day. Or there are theories about memory consolidation, addressing psychological issues, establishing [...]

Surrender to Sleep-

If you can not sleep tonight, why not try surrendering to God, the Universe, Consciousness, or your own Higher Power. Then observe what happens. I learned to do this last year (2007), when sleeping in uncomfortable, and unpleasant environments. Within a few nights I was OK, whether I slept or not!