We all know that sleep is important, but it's vital to our existence - even from the stand point of physically detoxing the cells! Visit this site and listen to the audio.
The Night Janitors of the Brain
Do you think other species ever look at humans and raise an eyebrow at the amount of sleep we need? We may be the most successful species in existence, but that doesn’t mean sleep is just another one of our “choices” as a human being. It is a necessity for survival, even though it requires immobility and vulnerability. Prepare to meet the night janitors of the human brain. -
See more at: http://player.fm/series/stuff-to-blow-your-mind/the-night-janitors-of-the-brain