There was a study a few years ago (unfortunately I don't have the link handy) that showed that the lack of sleep is directly correlated to a spike in creativity

There was a study a few years ago (unfortunately I don't have the link handy) that showed that the lack of sleep is directly correlated to a spike in creativity. Edit: here's a wiki article about the topic: http://en.wikipedia.org/wiki/Sleep_and_creativity http://en.wikipedia.org/wiki/Sleep_and_creativity