I purchased a Sleep Number Bed 18 months ago and haven't slept on it for the last 9 months. The reason? I developed sciatica back pain and leg pain after using it for several months. The pain gradually worsened until I finally realized that the cause of the pain resulted from rolling to the center of our Sleep Number queen mattress. My husband, who always had a bad back, also will not sleep on it. Don't let the one month return policy fool you. It takes time before you eventually realize what it causing the pain. I was actually... read full review »