Unlock to see our ratings and compare products side by side Our comfort ratings are based on members' average comfort rating for their mattress brand and type on a scale from excellent to very ...

Our analysis of how well a mattress maintains its original shape, height, firmness, and side/back sleeping support after 8 years of simulated use. A measure of how much vibration is transmitted ...

For example, the Serta iComfort Hybrid Firm Mattress receives only 4 out of 10 on our firmness scale. If you want a truly firm mattress, you’d be better off considering mattresses with at least a 7 on ...