The Bedgear M3 Performance lets you customize each side of the mattress. It's best for couples with different firmness needs ...

Its dual-coil system outperformed the rest ... May feel too firm for some side sleepers The 12-inch DreamCloud Hybrid is a medium-firm mattress that we recommend to back sleepers and heavier ...

She's tested a dozen mattresses at home—and yes ... Leesa’s high-end offering, the 12-inch Leesa Legend, packs microcoils, support coils, and dense foams (including memory foam) inside ...

Above that is a support coil layer consisting of 8.5 ... Now measuring 12 inches tall (shorter than the 14 mattress we reviewed, but still thicker than average), the DreamCloud features four ...