Brooklyn Bedding also has two mattresses endorsed by the ACA and, in this case, they’re the ultra-firm Plank and Plank Luxe ...

Kitchens also tested Plank Firm’s flippable mattress — which the brand says is the firmest on the market — and discovered that the “ultra firm ... The Sealy Cocoon Chill is an all ...

Firmness and Support: One side of the Plank Firm is considered “traditional firm” while the other is “ultra firm.” Who Tested It: Simone Kitchens, Strategist senior editor and a back-to ...

While stomach sleepers should avoid soft mattresses, most of our top picks aren't ultra-firm and have a medium-firm feel instead, which will also suit combination sleepers. Our top pick for the ...

The Plank Firm Luxe features a unique flippable design with two levels of firmness—one Firm and one Ultra-Firm. On both sides, the mattress’s blend of memory foam and individually wrapped ...

The Plank Firm Luxe mattress is not for everyone -- but for someone seeking an ultra-firm bed, I think this is a fantastic choice. I think the flippable design makes it versatile, and the coil ...

Reviews and recommendations are unbiased and products are independently selected. Postmedia may earn an affiliate commission from purchases made through links on this page. They say: A collection ...