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Title: Mattress sagging
Review: I bought this mattress in Feb 2011 and within six months, it began to sag and go soft. Initially, it was great. But there is a waffle/convoluted layer between the hard foundation foam and memory foam on top. It is not a solid piece. I've slept on a variety of mattresses, including tempur-pedic, comfortaire and latex. My advice: go straight to Tempur-pedic. This foam will not hold up over time and your money will be wasted. You can only return this if you can photograph a 1.5" impression in the mattress.
