spring mattress shop near me in thillainagar growell beds and furnitures trichy Memory foam, also known as viscoelastic foam, is a high-density foam that contours to the shape of your body when you lie on it and returns to its original shape once the pressure is removed. Memory foam mattresses are known for their pressure-relieving properties. They distribute body weight evenly, which can alleviate pressure points and provide support, making them suitable for people with back pain or joint issues.nother advantage of memory foam is its ability to absorb motion. This means that movements on one side of the bed are less likely to disturb someone sleeping on the other side, making memory foam mattresses a good choice for couples.