If your back pain is one-sided, your sleep position matters. When pain is on the right side, many people feel relief sleeping on the left. This can reduce compression and tension around the irritated lower segments — often the L4–L5 area. Adding a pillow between the knees helps: • Reduce rotational pull on the pelvis • Decrease strain on inflamed tissues • Support the facet joints You can also experiment with: • Slight pelvic rotation • Folding the pillow for more support • Adding a second pillo