 I'm not sure if people understand how Sleep Number beds help you sleep at a comfortable temperature. All Sleep Number smart beds feature cooling, pressure relieving comfort layers for soothing sleep throughout the night. It helps warm you up to fall asleep and keep you cool once you are asleep. So if you sleep too hot or sleep too cold, temperature balancing bedding also designed to help move heat and moisture. J.D. Power Ranks Sleep Number, number one in customer satisfaction with mattresses purchased in store right now. The lowest prices of the season are available.