Invest in a good quality foam mattress to sleep like a log and wake up feeling refreshed. The best way to relax and unwind is to get a good night's sleep. For the body to maintain its regular healthy functions and metabolism, it is necessary for the mind. Mattresses made of memory foam contour to the shape of your body and provide extra support. Foam mattresses are flexible enough to bend or adjust to the body's weight and conform to its shape. The price of a foam mattress depends on its features, measurements, and brand. The support and bounce of foam mattresses are provided by air trapped within aerated substances (rather than springs). There are three main types of foam mattresses: polyurethane foam, memory foam, and foam latex. An illustration of the layers of the Casper mattress (a foam mattress).