<SEC-DOCUMENT>0001127602-22-009079.txt : 20220314
<SEC-HEADER>0001127602-22-009079.hdr.sgml : 20220314
<ACCEPTANCE-DATETIME>20220314160207
ACCESSION NUMBER:		0001127602-22-009079
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20220310
FILED AS OF DATE:		20220314
DATE AS OF CHANGE:		20220314

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			HOWARD JULIE
		CENTRAL INDEX KEY:			0001232758

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-25121
		FILM NUMBER:		22736524

	MAIL ADDRESS:	
		STREET 1:		MANPOWERGROUP INC.
		STREET 2:		100 MANPOWER PLACE
		CITY:			MILWAUKEE
		STATE:			WI
		ZIP:			53212

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Sleep Number Corp
		CENTRAL INDEX KEY:			0000827187
		STANDARD INDUSTRIAL CLASSIFICATION:	HOUSEHOLD FURNITURE [2510]
		IRS NUMBER:				411597886
		STATE OF INCORPORATION:			MN
		FISCAL YEAR END:			0101

	BUSINESS ADDRESS:	
		STREET 1:		1001 THIRD AVENUE SOUTH
		CITY:			MINNEAPOLIS
		STATE:			MN
		ZIP:			55404
		BUSINESS PHONE:		7635517000

	MAIL ADDRESS:	
		STREET 1:		1001 THIRD AVENUE SOUTH
		CITY:			MINNEAPOLIS
		STATE:			MN
		ZIP:			55404

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SELECT COMFORT CORP
		DATE OF NAME CHANGE:	19980821
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form4.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2022-03-10</periodOfReport>

    <issuer>
        <issuerCik>0000827187</issuerCik>
        <issuerName>Sleep Number Corp</issuerName>
        <issuerTradingSymbol>SNBR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001232758</rptOwnerCik>
            <rptOwnerName>HOWARD JULIE</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1001 THIRD AVENUE SOUTH</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>MINNEAPOLIS</rptOwnerCity>
            <rptOwnerState>MN</rptOwnerState>
            <rptOwnerZipCode>55404</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>4905</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Phantom Stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F2"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2022-03-10</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>339.7282</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>62.55</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F2"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>339.7282</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>339.7282</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Includes 820 restricted stock units that will vest over time.</footnote>
        <footnote id="F2">Each share of Phantom Stock is the economic equivalent of one share of Common Stock. The shares of Phantom Stock become payable in Common Stock, at the election of the reporting person.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Julie M. Howard, by Rebecca Long, attorney-in-fact</signatureName>
        <signatureDate>2022-03-14</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
