SLEEP seems like a perfectly fine waste of time. Why would our bodies evolve to spend close to one-third of our lives completely out of it, when we could instead be doing something useful or exciting? Something that would, as an added bonus, be less likely to get us killed back when we were sleeping on the savanna?
Image: http://www.nytimes.com
To read the original article: Goodnight. Sleep Clean. - NYTimes.com
