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Viscous-elastic foam was developed originally for NASA as a way to alleviate the pressure of G-forces on the astronaut’s body during take-off. It didn’t take long for companies to recognize the potential for the material in commercially sold bedding and in the 1980s the first memory foam mattresses became available for consumers.

The main advantage of memory foam is that the material conforms to the body providing even support regardless of body weight or shape. This eliminates painful pressure points that are associated with traditional mattresses. Another advantage is that memory foam tends to transfer less movement. This is a plus for couples, since the movement of one partner is less likely to affect the other.

Buyers considering a memory foam mattress should focus on the density of the foam, which determines the support that the mattress will provide. Foam with a lesser density will have a higher “indent rate” and therefore will provide softer support. A heavier, denser mattress will therefore provide more firm support.

Another consideration is the construction. Originally, foam mattresses were produced with a single layer of foam. Today a variety of compositions can found with different layers of density throughout the mattress to provide more specialized support.

Since the foam is made with a combination of synthetic materials, the mattress will have a distinctive smell at first. This usually dissipates within a few days. Changing the sheets often and airing out the room during this time will help reduce the smell more quickly.

It is also important to consider that the material is temperature sensitive. The material will react more when the ambient temperature is higher, so keep the room temperature constant with air conditioning. Also remember that the material will both absorb and return heat, which means that fewer covers may be needed to remain warm in the bed. This can be real plus for people who are always cold.

Memory foam mattresses are becoming a more popular option than traditional spring mattresses. For those who suffer from back, neck or shoulder pain due to improper sleeping positions it is definitely

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15y ago

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