need sleep one strongest biological urges we have, one few really can't control; and fact is, die faster sleep deprivation food deprivation. So time investigate science thing do third lives.
Even though average person spend 25 years life asleep, no scientific consensus why exactly do . One thing know sure: brains definitely think sleep important.
The to is one of the we , one of the that we can't ; and the is, you can from than . So it is to the behind this that we for a of our .
the will of their , there's as to we it. we for : our that is .