It's not always that bad, depending on how exhausted he is. The other night I laid him down and he contorted himself into the

Now, let me just say that my son does a lot of things that I don't attempt, (like sucking on his toes), so I don't know what possessed me to mimic his sleep position, but I did and I regret it. It went something like this:
I will be MM for Messy Mom and my husband will be meany.
MM: "Honey, you're not going to believe this, but Z laid down like this and went right to sleep."
Meany: "Oh yeah?"
MM: "Yeah, he had his butt sticking straight up in the air"
Meany: continues typing on his laptop
MM: "Honey, he was just like this, it was so funny, are you looking?"
Meany: Typing away as he mutters "yeah, that's funny"
MM: turns head and strains neck to see if Meany is actually looking "OWWWW, ow, ow! I just hurt my neck."
Meany: looks up from the computer
MM: "I am serious, I think I am stuck. Ahhh!"
Meany: "Now that's funny."
I would have smacked him if I could have moved.