What to shop in the Serta Black Friday sale on Perfect Sleeper ... and a supportive coil and combined memory foam design. If you want a mattress-in-a-box option that’s available too — so ...

Better yet, there’s a mattress-in-a-box option, too, if you want it shipped right to your doorstep. But here’s another thing you should know. Serta offers a 120-day in-home trial. Meaning ...

Staying in line with Serta’s excellent mattress deals ... and a supportive coil and combined memory foam design. If you want a mattress-in-a-box option that’s available too — so you can ...