A firm top mattress is constructed to create a hard to semi-firm feeling when lying down. This design is built with limited give to produce ample support and features a shorter cushion top than other layers. A firm top model is best for people that sleep on their backs or stomachs. Unlike a soft surface, which can cause your back to sink downward, a the hard surface is better suited to keeping your back straight.
Benefits of a Firm Top Mattress