With so many Christmas deals live this week, there's never been a better time to shop for a bed featured in our best mattress guide. One of our favorite sales this week comes from Serta.

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 ...

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 ...

What to shop in the Serta Black Friday sale on Perfect Sleeper mattresses? Let’s go over what versions of the Perfect Sleeper mattress are available: First, there’s the Serta Perfect Sleeper X ...