A firm mattress (sometimes referred to as a hard mattress) is usually around 8 to 8.5 out of 10 on the firmness scale. An extra firm mattress will rate at between 9 and 10 out of 10.

2. Firmness Level: Look for a mattress labeled “firm” or “extra-firm.” Check reviews to see if it aligns with your expectations, as firmness can vary by brand.

These are the best firm mattresses we've tested. Classic Mattress Mattress-in-a-box companies—which are the go-to for anyone under 50—struggle with firm mattresses.

Best affordable firm mattress: SleepOnLatex, Pure Green Organic Latex Mattress, $999 Best with cooling technology: Purple, RestorePlus Hybrid Mattress , $2,999 Best extra-firm mattress: Plank ...

Best extra firm innerspring mattress: The Wink Bed. The Wink Bed. 20% off Save $300. Wink Beds LLC. $1,499.00 $1,199.00. ... or king.” How we selected the best innerspring mattress ...

The best mattresses for heavy couples are often hybrids with supportive coils and contouring foam or latex. ... Our Sleep Experts Ranked The 7 Best Extra-Firm Mattresses Of 2025 By.

If you’re in the UK and looking for an extra firm mattress, the Otty Firm Hybrid mattress is a great choice. Again, this is a flippable mattress offering a firm (8/10) and extra firm (9/10).

The best firm mattress for back pain may help in your quest to achieve better rest and eliminate morning aches. Our picks include beds from Plank, Saatva and Avocado.