Is it true that the firmer the mattress, the better the support?

In many cases, medium-firm mattresses may provide better back support and help relieve back pain more than a firm mattress.

Do bad back victims need to sleep on firmer mattresses?

Sleeping on hard mattresses can sometimes exert extra pressure on the back, causing more back pain for some people.

Should I consider weight, height and size for when I’m shopping for a mattress?

Definitely. It’s important to know those facts and also sleeping positions when choosing a mattress. A heavier person may need a firmer mattress, and side sleepers should look for a mattress that allows you to contour.