All of the Sudden

All of the sudden, we have somewhat of a "Back-sleeper" on our hands.
From the time he was two weeks old, Alan has liked to sleep on his stomach pretty much all of the time. Well, he is liking that he flips himself over recently, and then he either cannot flip himself back over to his stomach or he is just too lazy to do it. Either way, you end up with this: (sorry for the poor quality photo)