I bought a heated mattress pad made by Sunbeam and I just love it. With the cold weather and I live in FLorida (please don't laugh at what I think is cold) it helps so much! I love to sleep my nap and at night on it, in fact some days I don't want to get up. It can be bought at any department store or online. I have dual control and my husband doesn't use his side but I crank mime up every night. This is on top of a memory foam topper and I am in heaven. I wish I had bought it before! Heat works well for me.