i recently purchased a sealy posturpedic that i was told was top of the line with 20 yr warranty from a high pressure sales person at sleepys, within 6 months there was a big depression in the middle where you can roll down into the hole or depression, it has lost all of its structural integrity and now i'm seeing the chiropractor on a regular basis.when i called it took 3 weeks to get a young person out to examine the mattress he used strings and clothes pins to pull a straight line across the mattress while fluffing it up the warranty... read full review »