McKenzie, a Certified Sleep Science Coach and proclaimed mattress expert, has been writing sleep content in the wellness space for over four years. After earning her certification from the Spencer ...
Typically, innerspring mattresses that contain steel coils will be more firm and supportive than all-foam mattresses, though this is by no means a universal decree. The amount and type of foam in ...
Extra-firm coils around the perimeter make for ... What it feels like: This classic innerspring mattress feels firm, but the pillow top pushes it toward medium-firm territory.