The Plank Firm Mattress is a dual-sided bed that offers a firm and an extra firm surface. To find the best mattress for every sleep style and body type, the Tom's Guide sleep team has to test a lot of beds. And that means trying mattresses outside our (quite literal) comfort zone.

Black Friday mattress sales are here — get bestsellers up to 50% off from Nectar, Sealy, Tempur Pedic, and more.

I’ll be updating this article throughout the sales extravaganza with all the new steep discounts that we spot, but the deals are good even if they’re not new, so be sure to check out the master list of Black Friday deals that our deals editor Sam Daly will be updating all day long (and into the weekend).