July 16, 2019 David Callen Senior Vice President and Chief Financial Officer Sleep Number Corporation 1001 Third Avenue South Minneapolis, Minnesota 55404 Re: Sleep Number Corporation Form 10-Q for Fiscal Quarter Ended March 31, 2019 Filed April 26, 2019 File No. 000-25121 Dear Mr. Callen: We have completed our review of your filing. We remind you that the company and its management are responsible for the accuracy and adequacy of their disclosures, notwithstanding any review, comments, action or absence of action by the staff. Sincerely, Division of Corporation Finance Office of Manufacturing and Construction