Stadium Capital Management SC 13D Sleep Number / STADIUM CAPITAL MANAGEMENT ownership change

Exhibit 99.1

JOINT FILING AGREEMENT

In accordance with Rule 13d-1(k)(1)(iii) under the Securities Exchange Act of 1934, as amended, the persons named below agree to the joint filing on behalf of each of them of a Statement on Schedule 13D (including amendments thereto) with respect to the shares of Common Stock, par value $0.01 per share, of Sleep Number Corporation. This Joint Filing Agreement shall be filed as an Exhibit to such Statement.

Dated: August 25, 2023

STADIUM CAPITAL MANAGEMENT, LLC
By:	/s/ Alexander M. Seaver
	Name:	Alexander M. Seaver
	Title:	Manager

STADIUM CAPITAL MANAGEMENT GP, L.P.
By:	Stadium Capital Management, LLC
	General Partner
By:	/s/ Alexander M. Seaver
	Name:	Alexander M. Seaver
	Title:	Manager

STADIUM SPECIAL OPPORTUNITY I, L.P.
By:	Stadium Capital Management GP, L.P.
	General Partner
By:	Stadium Capital Management, LLC
	General Partner
By:	/s/ Alexander M. Seaver
	Name:	Alexander M. Seaver
	Title:	Manager

STADIUM CAPITAL PARTNERS, L.P.
By:	Stadium Capital Management GP, L.P.
	General Partner
By:	Stadium Capital Management, LLC
	General Partner
By:	/s/ Alexander M. Seaver
	Name:	Alexander M. Seaver
	Title:	Manager

/s/ Alexander M. Seaver

Alexander M. Seaver