Sleeping help?!?

Amandah
I'm 13 weeks tomorrow and I'm having trouble sleeping. I can't get comfortable. Before I got pregnant my bra size was a 34F. I've now gone up to a 34G and I'm a stomach sleeper. I can't sleep any other way but they are so big and painful I can't lay on my stomach. Is it too early to get a pregnancy pillow? Would it even help?