Mattress starts to sag within 3 months. One year later it has deep troughs on each side with a mount in the middle. I only weigh 130 pounds and my side looks as bad as my husbands! Our old mattress that was 20 years old looked better and offered more support than this one does after one year! Spent $2200 and now one year later we have to buy a new mattress. Don't pay even $. 01 for this peice of junk! read full review »