Cover - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Jan. 28, 2023	Jul. 02, 2022
Cover [Abstract]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2022
Current Fiscal Year End Date	--12-31
Document Transition Report	false
Entity File Number	000-25121
Entity Registrant Name	SLEEP NUMBER CORPORATION
Entity Incorporation, State or Country Code	MN
Entity Tax Identification Number	41-1597886
Entity Address, Address Line One	1001 Third Avenue South
Entity Address, City or Town	Minneapolis
Entity Address, State or Province	MN
Entity Address, Postal Zip Code	55404
City Area Code	763
Local Phone Number	551-7000
Title of 12(b) Security	Common Stock, par value $0.01 per share
Trading Symbol	SNBR
Security Exchange Name	NASDAQ
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
ICFR Auditor Attestation Flag	true
Entity Shell Company	false
Entity Public Float			$ 467,760
Entity Common Stock, Shares Outstanding		22,014,000
Documents Incorporated by Reference	Portions of the registrant’s proxy statement to be furnished to shareholders in connection with its 2023 Annual Meeting of Shareholders are incorporated by reference in Part III, Items 10-14 of this Annual Report on Form 10-K.
Entity Central Index Key	0000827187
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	FY
Amendment Flag	false