| Memory foam is a pressure sensitive or temperature | | | | These kinds of mattresses is not going to be for |
| sensitive polyurethane foam that has the unique | | | | everyone, but most people that try it end up |
| ability to compress, and then slowly come back to its | | | | enjoying it and consider it an upgrade. |
| original shape. Thus this foam does not place nearly | | | | This special foam is one of the most preferred |
| the same resistance on the joints as spring, air, or | | | | material in mattress designs, due to the facilitated |
| other materials that bounce back much more rapidly. | | | | ergonomics or induced, remedial sleeping techniques |
| It is designed to remember the shape of one's body, | | | | via reduced fatigue and discomfort. It is an especially |
| which will support people for a good night's sleep. It is | | | | good choice for any college student. College students |
| also actually a very dense material by nature. For | | | | will often sleep on beds that are issued by their |
| instance, a full size 3 inch thick 5 lbs. density mattress | | | | school, and these beds are not always the most |
| pad will weigh around 35 lbs. | | | | supportive or healthy sleep surfaces. |
| Memory mattress foam is mostly advertised as a | | | | Memory foam is becoming more and more common |
| "space-age polymer." That's mostly because it was | | | | every day, so other kinds of brands will certainly be |
| developed by a Swedish company in order to | | | | coming into the market very soon. Lots of people |
| address problems that NASA was having with | | | | are discovering that memory foam is not only very |
| cushioning astronauts. They needed a reliable way | | | | comfortable but very healthy, as well as a good |
| that would protect the body from high G-forces. | | | | investment. |