Following a decade-long research led by the NASA, memory foam was introduced to the public in the early 1980s. Immediately, it rose in popularity as a material for manufacturing mattresses. So how do memory foam beds allow people to have a good night sleep? Below is an explanation of the science behind this breakthrough technology. |
Memory foam reacts to body heat and pressure. Made from a high-viscosity, and therefore high-density material called visco-elastic polyurethane, memory foam is generally firmer in cool temperatures and softer when warm. With a higher density, it readily reacts to body weight and temperature, allowing itself to mould into the shape of a warm body. In addition, its heat-retaining property gives added warmth that leads to a cozier sleep.
It relieves pressure over the bony areas of the body. In the initial years after its introduction, memory foam was particularly popular for use in hospitals, where it provided immense medical benefits to patients who were bed-ridden. Unlike conventional beds, the memory foam bed allows continuous blood flow even in crucial points of contact such as the shoulder and the pelvis. This results in elimination of pain, tossing and turning, and stiffness during sleeping time. In addition, memory foam beds distribute body weight evenly, and offer remarkable support for the spine.
Finally, it is resistant to mildew and house dust mites. Admittedly, memory foam is more expensive than traditional mattresses. However, owners of a memory foam bed need not worry about dust mites and other allergens, most of which find a conducive breeding ground within the thick padding of spring mattresses. With these properties, memory foam beds have signaled a new era in the mattress industry, and have helped millions of people achieve deep and comfortable slumber.
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