Not all foam feels the same. This guide explains how foam density influences pressure relief, support, and long-term comfort, so you can better understand what makes a mattress feel right for your body.

Most mattress guides tell you to 'consider your sleep position and budget' and stop there. This guide goes further covering foam density, body weight vs firmness matching, how to calculate real cost per year, and the manufacturing questions most buyers never think to ask. Seven practical checks, with actual numbers.