Sleep Number is located in Knoxville TN, Zip Code: 37934 on the street of 10901 Parkside Dr, Ste 104. If you want to ask something about the furniture, mattresses, catalog, pricing, hours and directions, the Phone number is 865-288-4067. The coordinates that you can use in navigation applications to find Sleep Number quickly are 35.901139 -84.145337 USA