Why It is Important to Sleep: Repair and Restore, Mental Alertness, and The Evolutionary Theory

Sleep, we all need to do it but why?  This question has been pondered by layperson and scientist alike throughout time.  Whereas before there were only philosophical theories to go by today, modern scientists have come a bit closer to the truth because of technology and the invention of the  electroencephalograph and other devises which actually record our brainwaves during the sleep process.  This great machine led to the discovery of the sleep cycles that all humans pass through.

This brings us back to the question, why do we need to sleep? 

There are several theories but the most known t... From: <a href='http://factoidz.com/why-it-is-important-to-sleep-repair-and-restore-mental-alertness-and-the-evolutionary-theory/' title='Sleep, we all need to do it but why? This question has been pondered by layperson and scientist alike throughout time. Whereas before there were only philosophical theories to go by today, modern scientists have come a bit closer to the truth because of technology and the invention of the electroencephalograph and other devises which actually record our brainwaves during the sleep process. This great machine led to the discovery of the sleep cycles that all humans pass thro'>Why It is Important to Sleep: Repair and Restore, Mental Alertness, and The Evolutionary Theory</a>