Ok, girls, just borrowed my friend's Snoogy, which is a little better. I put my bump in the middle hole and lie on top of the whole thing. Not bad. You can also make an arm chair w it, which is good for a few hours. Still, by 4 am my hips kill. Before that, I did put a feather pillow under my bump. Mine also feels heavy, I think bc we grow so fast that the muscle tone isn't there.
While I was on vacation and sleeping in hotel beds I had no problem at all. They were soooo soft I just sank into them.
As for the congestion, restless leg, etc., I find taking a half or whole dose of Benadryl helps. It's safe for pg if you don't overdo it. My OB actually suggested it.