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Memory foam was invented by NASA to lessen the g-force pressure on astronauts at the time of take-off . The medical community took advantage of this invention. They started applying memory foam mattress pads on immobile bed bound patients, who had pressure sores. Because memory foam is so dense, it is firmer in cool temperatures and becomes soft with higher temperatures . As body heat warms the foam, it softens and adjusts itself to the persons shape. This takes several minutes to happen . At first, memory foam was too expensive to put on the open market for retail stores . However, technology advancement has invented cheaper ways to make the materials. At present, we have memory foam mattress pads, pillows, and mattresses- all available to the public. Most people choose memory foam mattress pads, because memory foam mattresses are just too soft. The pad can be put on top of a firm bed and still provide you with the pressure relief. Sizes usually are 2 or 3 inches thick, but 1's and 4's are offered by a few companies. The greater the weight of your body, the thicker you will want the pad to be. One more choice you will see amongst the various brands is firmness. Firmness is defined by the foam's Indentation Force Deflection (IFD) rating. IFD defines what quantity of pounds of force is needed to make a dent of 1" into a foam sample 15" x 15" x 4" by a 8 inch diameter. A 10 would be super soft. An IFD of 120 would be semi-rigid. You should also check the warranty. Some companies offer a 20 year warranty, while others only offer a 10 year warranty. You may be offered a 90 day trial by some vendors. The price is dependent on size, thickness, and quality. Approximately it is: USD $120.00-$400.00 . There have been a few problems reported by customers ( mainly with memory foam produced in China.) One of the chief complaints are allergens. PBD is a chemical fire retardant, that can provoke respiratory irritation. However, there are special protectors that you can buy. Covers like- the "Protect-A-Bed Premium Mattress Protector" do not change the comfort or function, but will protect you from the processing chemicals. It is best to make certain the company does not use any toxic chemicals in processing. In is a natural desire to have a good and comfortable sleep . Those particularly prone to joint pain, muscle stiffness, and pressure spots....can get memory foam mattress pads to allow themselves a good nights sleep. On a usual mattress your body must adjust to the mattress. This can be difficult for people with diseases like, fibromyalgia or arthritis. A memory foam bed contours to support no matter what position you are . There are also claims( by the manufactures) that memory foam products reduce the possibility of sleep apnea. Though, this claim has not been proven or condoned by the medical community.
Samantha Hughes is a slumber expert and social administrator in educating readers on how to buy a Memory Foam Mattress. Plushbeds.com is the only company to offer a foam mattress discount with a Sleep Tight Guarantee, which offers 10 year protection against unintended rips, tears and burns, 10 year protection against stains & odors, a Complimentary deluxe mattress protector with every mattress purchase. Visit Plushbeds.com & receive an further five hundred dollars off any mattress.
Article Source: http://www.sleepdisorderarticles.com
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