Sleeping position Help

Baby Michael doesn't let me sleep comfortably on My left or right side 😢 Ive tried everything to putting a pillow on my back or between my legs. Even so to wear my husband rubs my belly till I fall asleep. Only position that I dont feel uncomfortable with is laying on my back with a little curve to my body...

Ive heard sleeping on your back isn't good buts its the only way I can actually get any sleep. Without the baby giving me pain