omg I can't do this 😩

Alexah • I'm a 24 year old first time mom 💫 My son was born 3/28/17 💙
21 weeks first time mom. I can't get comfortable in bed to save my life! Omg I need suggestions...I really don't want to waste money on that stupid pregnancy pillow. I'm most comfortable on my back but I've read that position is horrible for baby. Is it really that bad? And if so why?