My i8 double bed (one chamber)was delivered on Sept. 1, 2009 and the pains in my neck and shoulders started the first night. First off, I was very disappointed on how cheap the mattress looked; very thin and not at all like the nice plush one like I tried at the store. That was bad but the pain and lack of sleep was the worst part. I could not figure out how the bed was so comfortable as I fell asleep only to wake up in pain several times a night until I started checking my number remote. That is when I found out the numbers were going up... read full review »