I've proven theorems in my sleep before. It seems to be a generally accepted thing. John Cleese gave a related talk which I found very interesting: http://www.

I've proven theorems in my sleep before. It seems to be a generally accepted thing. John Cleese gave a related talk which I found very interesting: http://www.youtube.com/watch?v=zGt3-fxOvug http://www.youtube.com/watch?v=zGt3-fxOvug