How does a guy like me manage to go from waking up at 12:45 PM to 2:30 AM the following day WITHOUT EATING?!

I wasn't even HUNGRY?! How the hell did this happen? The only thing I've had today was a pair of 20 oz. Mountain Dew LiveWires. Those don't curb my hunger, and yet, here it is, 2:30 in the morning, and I'm just NOW feeling hungery after a marathon session of Rock Band starting off with 90 minutes of drums!!

I'm confounded...