The usual information regarding mattress replacement says it should be replaced every eight to ten years. But there are several variables regarding construction that need to be considered. A mattress on a box spring or with good center support or a high-quality mattress may last longer than an economy mattress. Even the weight of the person or people sleeping on it has an impact on its longevity. But most of all, it depends on the type of mattress. Let’s take a look.