I was recently able to take a tour of the 3Z mattress factory in Phoenix, Arizona, where all the Plank mattresses (and several dozen others) are made and seeing the coil-making process was very cool.

The best mattresses for heavy people have a higher weight capacity than your average bed, which keeps plus-size sleepers ...

(Note that for ease of comparison, the prices given below are for queen ... mattress that Kitchens, who also tested the Saatva Classic, described as “every bit as firm as the innerspring coil ...