I'm not sure what back probs you have & I'm prob not much help. I'm more here to support others & also ask questions.
I hurt my back on the job 5 yrs ago. Over the yrs it got worst until my pregnancy last year which really messed up my back. I have a Severe Degenerative disk. Go in to a specialist Tuesday to find out more info.
Anyhow, I blaimed my bed for years! Funny thing, I went through around 4 mattresses & still blaimed the bed. But, they were mattresses I'd gotten from family, can't afford a new one. What has helped me is putting foam over the mattress. Those long foam things people buy for travel trailors... We have 2 on our bed, $20 each. It has helped allot. Wish I had a new bed though

Anyhow, you really should get it checked out... I should have years before! When I went to the Chiropracter for the first time 4 months ago, he said my back is misaligned (still is) & I had bone rubbing on bone... My back wouldn't be is such poor shape if I had it checked out sooner (didn't have insurance).
MY Chiropracter took an xray within a few mins after I arrived for my first visit. He's got a great reputation, very important!
Anyhow, Sorry so long... You just reminded me of myself a few months ago before I found out just how bad my back is. Course, could be worst so I'm thankful it's not...