Man, my sleeping pattern is all flucked up. I never go to sleep before 3am, and I can't remember the last time I've seen the clock on 6-11am. 12pm is a rarity too. So, when I found this article (via @TastyKeish on Twitter) I was all ears (eyes?) . This says something like, animals design their sleeping patterns to wake up when food is available. So, if you go without eating for about 16 hours...the next time you eat is when you're more likely to wake up in the days following. This is also a way to lessen the effects of jet lag. It was definitely worth reading. Check it out, if you have the time.