What makes memory foam mattresses stand apart from the rest?

It is a world known fact that memory foam mattresses are matchless in terms of health benefits and a relaxed sleep. The chief reason responsible for so many advantages is the use of a special material called memory foam in the mattresses. It was created by NASA several years back. Unlike other conventional materials used in usual types of mattresses, the contents of this material are all natural which are extremely valuable in providing relief from problems like backaches, body pain etc. Moreover they are resistant to pests, bed bugs, remain warm in winters and cold in summers. Thus, they make an apt choice for all those who wish to enjoy the mentioned benefits.