Best Firm Mattress 2024. Best firm mattress for heavy. If you sleep on your back or stomach, you'll want a firmer mattress to keep your spine properly aligned.
— cr’s rigorous lab tests help you find the best mattresses, cutting through the hype and zeroing in on the top innerspring, foam, and adjustable air beds. — if you’re looking for a firm mattress but don’t want to break the bank, we recommend our best budget pick, the tuft + needle mint mattress, which we found to.