At last you can have a great night’s rest and start off your day ready to go
December 23rd, 2009 | by admin | << Chronic Insomnia - Know The Causes, Effects & Cure Various Causes of Chronic Insomnia >>Many people sing the praises of the memory foam mattress, especially those who really need good support while they’re sleeping, yet who have a difficult time with mattresses that are as hard as a board. These beds are made of a substance called visco elastic foam, and it’s the special properties of this foam that makes the mattresses so comfortable, yet which also enables them to provide such excellent support.
Visco elastic memory foam is firm when the temperature is cool, yet it is responsive to your body’s heat, so that when you lie down it slowly softens and contours itself to your shape. This happens because of the millions of tiny spherical cells inside that are both weight and temperature sensitive. This means that a memory foam mattress will support you while you sleep, yet when you get up, it will cool down and return to its original shape. Of course this is the origin of the memory foam name.
There’s more to the support than that, though. The visco memory foam only heats up and becomes elastic down to a certain depth. So the top layers of cells will soften and adapt to your body shape, yet the foam farther down remains as cool as before, and therefore doesn’t change. So it retains its shape and provides extra underlying firmness, meaning that memory foam mattresses give you both the contoured support above and the firm support below.
Another factor in both the support and the shape of the mattress is its own density. You might find inexpensive memory foam mattresses with a density of 1.5 pounds per cubic foot, and another of 8 pounds. A higher density will provide more support and relief for those with hip or back problems. Additionally, there are single, double, queen or king size memory foam mattress choices available, as well as memory foam contour pillows.
The end result for the sleeper is that a memory foam mattress relieves pressure points on the body; those areas that press harder into the mattress. These points are why people can get stiff even while supposedly relaxing in sleep, and are also the places where they develop bedsores if they are bedridden for quite some time. Visco elastic memory foam supports every part of the body equally, so no part of it is pressing into the mattress harder than any other.
Final tip:
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