Enjoy the Night Therapy Classic Green Tea Memory Foam 12" Mattress which boasts an innovative design that ensures comfort. The mattress features a Memory Foam layer and pressure-relieving Comfort Foam layer that conforms to the natural shape of your body. In a recent clinical study, both sleep time and sleep efficiency improved with a Night Therapy Pressure-Relief mattress. Compared to a best-selling innerspring mattress, the innovative Night Therapy mattress helped participants fall asleep faster and sleep more soundly.