A memory foam mattress is normally denser than a typical foam mattress. This makes it all more supportive0and heavier. It is usually seen as a good compromise between the comfort of a soft mattress, as well as the supportiveness of a firm mattress. A memory foam mattress can actually sell for more than customary mattresses, but they do indeed last longer. When it0s new, the memory foam usually emits a distinct chemical odor which many individuals find unpleasant. The odor fades with airing, but several people remain sensitive to it. Respiratory irritation can be the result of emissions from the memory foam mattresses.
Memory foam mattresses were first developed by NASA to ease the pressure of G-force during the space shuttle take-off. The memory foam was never used in the NASA space program, but was used in medical applications subsequently. For example with bed-bound patients or those suffering from pressure sores for a long period.

Memory foam mattresses were originally too expensive for general use. However, in recent years it has become less costly to foster and is now vastly available. Its most typical domestic applications are pillows, mattress toppers (mattress pads) and mattresses. Memory foam mattresses usually sell for more […]

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