Sleep Number (SNBR) 10-K 2019 FY Annual report

Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in Registration Statement Nos. 333-70493, 333-79157, 333‑74876, 333-84329, 333-80755, 333-85914, 333-118329, 333-167331, and 333-188766 on Form S-8 of our reports dated February 25, 2020, relating to the consolidated financial statements and consolidated financial statement schedule of Sleep Number Corporation and subsidiaries (the “Company”), and the effectiveness of the Company’s internal control over financial reporting, appearing in this Annual Report on Form 10-K of the Company for the year ended December 28, 2019.

/s/ DELOITTE & TOUCHE LLP

Minneapolis, Minnesota

February 25, 2020