for me i had bad heart burn ( it goes away straight after birth ) thank god
so i had to sit up on lots of pillows. if i slept on my right side i would get heart burn but if i slept on my left side which helped the burn i got a sore arm leg and hips

sigh- i didnt really sleep- do u have a body pillow? i got one from lincraft for 20 bucks early on and it was my life savour- i still sleep with it its that comfy