sleep
June 15, 2007
Until few decades, sleep was thought to be a passive dormant part in our daily lives. But with recent advances in Medical research, we now know that it is an active process and it affects our physical and mental health in many ways. Although quite a bit of what happens during sleep still remains to be uncovered, it is clearly evident that the sleep is extremely essential for our nervous system to work properly. Some experts believe that sleep is more important for our nervous system. Unlike other organs, the nervous system cannot replace the neurons (nerve cells), so it shuts down during sleep and gives neurons (nerve cells) time to repair and remove the byproducts of their cellular activity.
