I've never slept on my back and never want to. If the problem is a sore back, get a better mattress. Oddly enough the best mattresses can be cheap. A thin-is

I've never slept on my back and never want to. If the problem is a sore back, get a better mattress. Oddly enough the best mattresses can be cheap. A thin-ish (4 inch) rubber mattress on a hard base is ideal for me.