Cramping

Anyone else cramp just in the mornings or at night when you are laying down? All throughout the day I don't cramp at all, but not long after I lay down the cramping begins. Many times it's what wakes me up in the mornings. Sometimes it's not that bad, but here lately it's sharp pains in my abdomen. I lay on my sides and stay off of my back as much as possible. I am 19+4. Anyone else go through this?