why we are sleeping..?? and without sleep we cant survive..y??

December 16, 2006 8:40pm CST
do u know the exact reason that y we are unable to live without sleep
2 responses
@04351216 (40)
• China
19 Dec 06
Your question is so interesting. I don't know why we should sleep.But you can try what your action when you don't sleeping for several days.I think I would die:)
• India
17 Dec 06
Sleeping is only the time for relax, with out relax we can't carry our next day.