| Memory foam was formerly developed for NASA in | | | | offered in different firmness levels. |
| the 1970's and was swiftly noticed by the medical | | | | Not all memory mattresses are produced equal, there |
| community as a possible aid for people in hospitals, | | | | are some made with the highest quality of materials |
| nursing homes and wheelchairs that were susceptible | | | | designed to last, while others will basically not provide |
| to pressure sores. The benefit to this material was | | | | sufficient support and durability to make them worth |
| the ability to dispense pressure over a greater area. | | | | the money. Hence, it is important to do your |
| At the same time as the early memory foam | | | | homework before purchasing a memory mattress in |
| mattress did seem to mitigate areas of the body | | | | order that you know what to look for in a high |
| around the pressure points, these first cushions did | | | | quality item that will last you a good long time. |
| not last particularly wear and needed replacement | | | | In the beginning after its discovery, memory foam |
| too often to be considered cost effective. | | | | was considered as too expensive for general use, |
| Memory foam is probably best known by the | | | | but today it has become less expensive to produce |
| majority of people as the substance that was used | | | | and now is widely available all over the world. It is |
| by the astronauts to protect them from the | | | | one of the most common use today is in |
| extreme g-forces occurring during the take-off of | | | | mattresses, pillows, and memory mattress toppers. |
| the space shuttle. The memory foam is made from | | | | Some memory foam mattress toppers and |
| polyurethane and other chemicals that add to its | | | | mattresses, when bought brand new, tends to give |
| thickness level, thereby increasing its density. It is | | | | off a distinct chemical odor which many people |
| also referred to as viscoelastic polyurethane foam. | | | | describe as very unpleasant. Over time the strength |
| Depending on the chemicals used and it's on the | | | | of the odor decreases, even though yet some |
| whole density, generally it is firmer in cool | | | | people remain sensitive about it. It would be a good |
| temperatures and softer when warm. Higher density | | | | idea to discuss this with the salesperson, as it relates |
| memory foam reacts to body heat which allows it to | | | | to the warranty, before you decided to buy it. |
| form itself to the shape of a warm body in just a | | | | A memory foam mattress bed can be the ideal |
| few minutes. Lower density foam is pressure | | | | solution for restless nights and chronic pain. Therefore |
| sensitive and thus will mold more quickly to the shape | | | | try checking out your options in memory foam and |
| of the body. This allows memory mattress to be | | | | enjoy a good night's sleep once again. |