futon. Monday , September 25th , 2017 - 13:00:43 PM
A type of very inexpensive foam commonly referred to as "egg crate" foam is a common addition in comfort layers. Many beds have a layer of this convoluted foam as the base layer of the comfort layers. This foam is the first cushion between the steel innersprings and the sleeping person. Unfortunately, as many people who have purchased egg crate foam mattress toppers from discount stores will attest, this type of convoluted foam has a relatively short lifespan. It breaks down, and is not particularly supportive for the human body. Piling cotton and polyester fiber fill on top creates a soft, fluffy bed that often becomes flattened and stiff long before the steel support coils wear out.
Whether or not a machine can do a better job of choosing your mattress than your own judgment is debatable but maybe it can? After all, when choosing a mattress you're supposed to lie down on it for at least 15 minutes, try out your various sleep positions, and, ideally, lay down on it in your pajamas - or whatever else you sleep in. Doing this is not easy as most consumers feel very self conscious when lying down on a mattress in a busy department store.
Although visco-elastic foam, also frequently referred to as "memory foam" was developed by scientists in the 1960's as an improvement on other methods of cushioning astronauts during launch, memory foam is often called "new" and "space age". In fact, some mattress stores have been selling memory foam mattresses for nearly a decade. Over time, the quality of visco-elastic beds has improved, though some quality myths still remain true.
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