sleeping on my back at 20 weeks

Jennifer

I cant help it! I keep ending up on my back! I'm comfortable on my back, no pain or discomfort. I keep waking up like my bottom half is flat down on the bed and my top half is sort of twisted sideways... I'm 20 weeks. What should I do? I already have one of those full U shaped pregnancy pillows but I dont think its doing me any favors to stay on my side.