I bought a wedge pillow like that for sleeping at a friend’s. It is super hard to sleep on comfortably as a side sleeper. If yours is longer than this one in long mode, it might be ok.

Howhom Bed Wedge Pillow,... https://www.amazon.com/dp/B0967HQ39Z?ref=ppx_pop_mob_ap_share

I probably should have bought this but thought it was overkill.

https://medcline.com/products/shoulder-relief-pillow/?gclsrc=aw.ds&gclid=CjwKCAjw9e6SBhB2EiwA5myr9vOKMxH4FVGwMlF9zuiBkIbOaIkVwLXLp2y4xFIlrYZmDiQIq3Dv-BoCD_sQAvD_BwE