You can find memory foam bed topper selections in most bedding and department stores these days. Additionally, online stores often have excellent deals on purchasing memory foam products, and can answer all your questions to help you decide which foam mattress topper best fits your needs and your personal preferences.
The edges and sides of a mattress are potential weak points that tend to give way first. Many of the better more comfortable and durable mattresses have reinforced sides that resist sagging and maintain their strength as they age. The effective life of a mattress can be extended by regularly turning it end for end and also reversing the sides. This tends to even out the deformation of the springs with age and use.