Memory foam was originally developed by NASA to help make aircraft cushions more safe. It's technical name is (wait for it) high-density, visco-elastic, temperature sensitive, slow recovery urethane foam! Reacting to your body's temperature, it changes its shape to provide greater support and more comfort than any other mattress.
Memory foam mattresses usually come with a cotton cover, and the better ones include hypoallergenic, antibacterial material as well. Potentially, this makes the mattresses especially suitable for people with asthma or allergies. The layer below a mattress cover can also contain hypoallergenic silicone wadding that provides additional protection against bacteria and allergens.
It's significant to note that they are generally environmentally friendly as they are made from ecologically sound, fully recyclable material.
Together with convenience and sturdiness (most come 'rolled up') memory foam mattresses help support your neck and back. It can help reduce body aches and enable you to enjoy pain-free sleep. The pressure points of your body will be supported equally and provide a peaceful, stress free sleep. Many new memory foam mattress users report that it's helped with their breathing and snoring. They block out all surrounding movements so you can sleep peacefully. They do not squeak or squeal like traditional mattresses. Once the pressure is removed from the foam, the mattress then remembers to return to its original shape!
Memory foam mattresses can last more than 10 years. The only disadvantage can be the price. They are usually more expensive than sprung mattresses. Well, they can be - don't assume you'll have a great sleeping experience by opting for the cheapest memory foam mattress; you do usually get what you pay for. There is nothing like a good night's sleep to give you a great head start for the next day.
There are a variety of mattress manufacturers, but it is essential you buy a mattress that's genuine. There are a lot of products on the market that use imitation memory foam. If it looks suspiciously cheap, then it's possibly not going to be made from the right stuff. Look out for online retailer free trials. Free doesn't mean you'll get sent an expensive mattress for nothing! However, it certainly SHOULD mean that if the mattress isn't right for you, you should be able to return it for a full, no-quibble refund. Be prepared to pay the return shipping costs, but even this isn't always a requirement. As with any online purchase, check the small print first!