What I’m trying to figure out is what actually helps in real life.
Medium firm? Firm? Hybrid? Memory foam? Zoned support? Pressure relief? A lot of the advice seems to assume all back pain is the same, and I’m pretty sure it isn’t. Some mattresses sound supportive until real people mention sagging, hips sinking too much, bad spinal alignment, or waking up with even more lower back pain than before.