I don’t know why I have to sleep. It turns out no one knows, according to this article, scientists are still at it, trying to find out a good reason, that sounds more educated that “I sleep cause I grow tired.”
What I found funny in the article, though, was this scientist’s quote :
“While we sleep, we do not procreate, protect or nurture the young, gather food, earn money, write papers, et cetera,” Dr. Rechtschaffen wrote.
Write papers! — in the same breath as the other vital functions.