Sleep Number is located in Amherst NY, Zip Code: 14226 on the street of 3220 Sheridan Dr, Ste 100. If you want to ask something about the furniture, mattresses, catalog, pricing, hours and directions, the Phone number is 716-210-9223. The coordinates that you can use in navigation applications to find Sleep Number quickly are 42.98067 -78.81428 USA