Memory Foam Mattress Topper
When you do not want to get rid of the current mattress that you have or you cannot afford to purchase a complete memory foam mattress, the next best option is to get a memory foam mattress topper. These come in all sizes, and they are very easy to set up on your bed. A lot of foam mattress toppers will allow you to use the same standard sheets that you are currently using.
When comparing quality between different foam mattress toppers, the detail you need to focus on is the cubic density number. A good quality memory foam mattress will have a density of 4 or more. Basically these will be giving your body the support that it needs while you are sleeping. There are a lot of memory foam mattress topper manufacturers, and one of the better known producers is Tempurpedic. They sell a mattress topper that fits conventional sheets.