It's probably easier to set up your mattress/pillow to let you sleep comfortably on your side. This advice - https://purple.com/blog/the-side-sleepers-guide-to-

It's probably easier to set up your mattress/pillow to let you sleep comfortably on your side. This advice - https://purple.com/blog/the-side-sleepers-guide-to-sleeping https://purple.com/blog/the-side-sleepers-guide-to-sleeping - is from a mattress company, but several of the tips were things I learned from a physiotherapist, and in particular the pillow between my knees feels like it helps my lower back relax.