Best Mattress Topper for Combination Sleepers: If you tend to switch between sleeping positions, this mattress topper is perfect for you. Its adaptable design provides just the right amount of cushioning and support, regardless of how you sleep. The 3-inch gel memory foam mattress topper helps support your body along body curves and natural lines. Whether you sleep on your side, back or stomach, this mattress topper ensures a comfortable, uninterrupted night's rest.​