OK, this is just wrong. To steal the text from Obscure Store (where I got this link):
Fat slob, er….hamburger-eating contest winner Ian D. Walker says: “I didn’t really want to do it at first, considering that I’m supposed to be on a diet. But all my friends came out to support me. So I figured I’d give it a shot.” Walker said he took a three-hour nap after eating all that beef.