Question

scientific reason of sleeping.
plz answer it as soon as you can
i nedd it tomorrow

Answer 1

type this into google 'scientific reason of sleeping' you get About 18,100,000 results in 0.28 seconds.

Answer 2

i have tried but didn't git it
if u know then plz kindly tell me

Answer 3

http://answers.yahoo.com/question/index?qid=20090530090220AAUhMI3

http://www.healthfiend.com/info/reason-for-sleeping-cause-need-to-sleep/

http://en.wikipedia.org/wiki/The_Science_of_Sleep

http://science.education.nih.gov/supplements/nih3/sleep/guide/info-sleep.htm

http://www.cbsnews.com/2100-18560_162-3939721.html

Answer 4

people need sleep to rest their bodies, they need it to revive their bodies to assure they have enough energy to make it though the day. its a time for mental rest...