Mattresses with memory foam
Memory foam adjusts perfectly to the shape of your body, so it reduces pressure points and the urge to turn during sleep. The Open-cell responses to the body shape and molds. It was originally developed for bedridden patients. NASA as well did its researches o this field finding out that the memory foam could protect astronauts against the unusual pressures arising from the shuttle launch. The memory foam responds to the body temperature and pressure. As a result, the body temperature softens and acquires the ability to accurately copy the shape of your body. After leaving the bed the foam cools down and returns to its original position.