v3.26.1
Cover
Jun. 12, 2026
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Jun. 12, 2026
Entity File Number 000-25121
Entity Registrant Name Sleep Number Corporation
Entity Central Index Key 0000827187
Entity Tax Identification Number 41-1597886
Entity Incorporation, State or Country Code MN
Entity Address, Address Line One 1001 3rd 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
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, par value $0.01
Trading Symbol SNBR
Security Exchange Name NASDAQ
Entity Emerging Growth Company false