<SEC-DOCUMENT>0001104659-25-078372.txt : 20250814
<SEC-HEADER>0001104659-25-078372.hdr.sgml : 20250814
<ACCEPTANCE-DATETIME>20250814123246
ACCESSION NUMBER:		0001104659-25-078372
CONFORMED SUBMISSION TYPE:	SCHEDULE 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20250814
DATE AS OF CHANGE:		20250814

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Sleep Number Corp
		CENTRAL INDEX KEY:			0000827187
		STANDARD INDUSTRIAL CLASSIFICATION:	HOUSEHOLD FURNITURE [2510]
		ORGANIZATION NAME:           	04 Manufacturing
		EIN:				411597886
		STATE OF INCORPORATION:			MN
		FISCAL YEAR END:			0103

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-55269
		FILM NUMBER:		251216420

	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

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			M Partners Fund LP
		CENTRAL INDEX KEY:			0002021298
		ORGANIZATION NAME:           	
		EIN:				934595380
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		24 SHIPYARD DRIVE
		STREET 2:		SUITE 102
		CITY:			HINGHAM
		STATE:			MA
		ZIP:			02043
		BUSINESS PHONE:		617-958-4185

	MAIL ADDRESS:	
		STREET 1:		24 SHIPYARD DRIVE
		STREET 2:		SUITE 102
		CITY:			HINGHAM
		STATE:			MA
		ZIP:			02043
</SEC-HEADER>
<DOCUMENT>
<TYPE>SCHEDULE 13G/A
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/schedule13g" xmlns:com="http://www.sec.gov/edgar/common">
  <headerData>
    <submissionType>SCHEDULE 13G/A</submissionType>
    <previousAccessionNumber>0001104659-25-044671</previousAccessionNumber>
    <filerInfo>
      <filer>
        <filerCredentials>
          <!-- Field: Pseudo-Tag; ID: Name; Data: M Partners Fund LP -->
          <cik>0002021298</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <coverPageHeader>
      <amendmentNo>1</amendmentNo>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <eventDateRequiresFilingThisStatement>06/30/2025</eventDateRequiresFilingThisStatement>
      <issuerInfo>
        <issuerCik>0000827187</issuerCik>
        <issuerName>Sleep Number Corporation</issuerName>
        <issuerCusip>83125X103</issuerCusip>
        <issuerPrincipalExecutiveOfficeAddress>
          <com:street1>1001 Third Avenue South</com:street1>
          <com:city>Minneapolis</com:city>
          <com:stateOrCountry>MN</com:stateOrCountry>
          <com:zipCode>55404</com:zipCode>
        </issuerPrincipalExecutiveOfficeAddress>
      </issuerInfo>
    </coverPageHeader>
    <coverPageHeaderReportingPersonDetails>


      <reportingPersonName>M Partners Fund LP</reportingPersonName>
      <citizenshipOrOrganization>DE</citizenshipOrOrganization>
      <reportingPersonBeneficiallyOwnedNumberOfShares>
        <soleVotingPower>0.00</soleVotingPower>
        <sharedVotingPower>2263729.00</sharedVotingPower>
        <soleDispositivePower>0.00</soleDispositivePower>
        <sharedDispositivePower>2263729.00</sharedDispositivePower>
      </reportingPersonBeneficiallyOwnedNumberOfShares>
      <reportingPersonBeneficiallyOwnedAggregateNumberOfShares>2263729.00</reportingPersonBeneficiallyOwnedAggregateNumberOfShares>
      <aggregateAmountExcludesCertainSharesFlag>N</aggregateAmountExcludesCertainSharesFlag>
      <classPercent>9.94</classPercent>
      <typeOfReportingPerson>PN</typeOfReportingPerson>
    </coverPageHeaderReportingPersonDetails>
    <coverPageHeaderReportingPersonDetails>

      <reportingPersonName>M Partners Fund (GP) LLC</reportingPersonName>
      <citizenshipOrOrganization>DE</citizenshipOrOrganization>
      <reportingPersonBeneficiallyOwnedNumberOfShares>
        <soleVotingPower>0.00</soleVotingPower>
        <sharedVotingPower>2263729.00</sharedVotingPower>
        <soleDispositivePower>0.00</soleDispositivePower>
        <sharedDispositivePower>2263729.00</sharedDispositivePower>
      </reportingPersonBeneficiallyOwnedNumberOfShares>
      <reportingPersonBeneficiallyOwnedAggregateNumberOfShares>2263729.00</reportingPersonBeneficiallyOwnedAggregateNumberOfShares>
      <aggregateAmountExcludesCertainSharesFlag>N</aggregateAmountExcludesCertainSharesFlag>
      <classPercent>9.94</classPercent>
      <typeOfReportingPerson>OO</typeOfReportingPerson>
    </coverPageHeaderReportingPersonDetails>
    <coverPageHeaderReportingPersonDetails>

      <reportingPersonName>Ali John Mirshekari</reportingPersonName>
      <citizenshipOrOrganization>X1</citizenshipOrOrganization>
      <reportingPersonBeneficiallyOwnedNumberOfShares>
        <soleVotingPower>0.00</soleVotingPower>
        <sharedVotingPower>2263729.00</sharedVotingPower>
        <soleDispositivePower>0.00</soleDispositivePower>
        <sharedDispositivePower>2263729.00</sharedDispositivePower>
      </reportingPersonBeneficiallyOwnedNumberOfShares>
      <reportingPersonBeneficiallyOwnedAggregateNumberOfShares>2263729.00</reportingPersonBeneficiallyOwnedAggregateNumberOfShares>
      <aggregateAmountExcludesCertainSharesFlag>N</aggregateAmountExcludesCertainSharesFlag>
      <classPercent>9.94</classPercent>
      <typeOfReportingPerson>IN</typeOfReportingPerson>
      <comments>M Partners Fund LP is a Delaware limited partnership whose sole general partner is M Partners Fund (GP) LLC. The managing member of M Partners Fund (GP) LLC is Ali John Mirshekari. As a result, Ali John Mirshekari is deemed to be the indirect owner of the shares held directly by M Partners Fund LP. Despite such shared beneficial ownership, the Reporting Persons disclaim that they constitute a statutory group within the meaning of Rule 13d-5(b)(1) of the Securities Exchange Act of 1934.

Based on the 22,771,000 shares of common stock, par value $0.01 per share, outstanding as of June 28, 2025, as reported in the Form 10-Q for the quarterly period ended June 28, 2025, of Sleep Number Corporation.</comments>
    </coverPageHeaderReportingPersonDetails>
    <items>
      <item1>
        <issuerName>Sleep Number Corporation</issuerName>
        <issuerPrincipalExecutiveOfficeAddress>1001 Third Avenue South Minneapolis, MN, 55404</issuerPrincipalExecutiveOfficeAddress>
      </item1>
      <item2>
        <filingPersonName>This Schedule is filed by M Partners Fund LP, M Partners Fund (GP) LLC and Ali John Mirshekari.</filingPersonName>
        <principalBusinessOfficeOrResidenceAddress>The principal business address of the Reporting Persons is 24 Shipyard Drive, Suite 102, Hingham, MA 02043.</principalBusinessOfficeOrResidenceAddress>
        <citizenship>M Partners Fund LP is a Delaware limited partnership.
M Partners Fund (GP) LLC is a Delaware limited liability company.
Ali John Mirshekari is a citizen of the United States of America.</citizenship>
      </item2>
      <item3>
        <notApplicableFlag>Y</notApplicableFlag>
      </item3>
      <item4>
        <amountBeneficiallyOwned>2263729</amountBeneficiallyOwned>
        <classPercent>9.94</classPercent>
        <numberOfSharesPersonHas>
          <solePowerOrDirectToVote>0</solePowerOrDirectToVote>
          <sharedPowerOrDirectToVote>2263729</sharedPowerOrDirectToVote>
          <solePowerOrDirectToDispose>0</solePowerOrDirectToDispose>
          <sharedPowerOrDirectToDispose>2263729</sharedPowerOrDirectToDispose>
        </numberOfSharesPersonHas>
      </item4>
      <item5>
        <notApplicableFlag>Y</notApplicableFlag>
      </item5>
      <item6>
        <notApplicableFlag>Y</notApplicableFlag>
      </item6>
      <item7>
        <notApplicableFlag>Y</notApplicableFlag>
      </item7>
      <item8>
        <notApplicableFlag>Y</notApplicableFlag>
      </item8>
      <item9>
        <notApplicableFlag>Y</notApplicableFlag>
      </item9>
      <item10>
        <notApplicableFlag>N</notApplicableFlag>
        <certifications>By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.</certifications>
      </item10>
    </items>
    <signatureInformation>
      <reportingPersonName>M Partners Fund LP</reportingPersonName>
      <signatureDetails>
        <signature>/s/ Ali John Mirshekari</signature>
        <title>Ali John Mirshekari, Managing Member of M Partners Fund (GP) LLC</title>
        <date>08/14/2025</date>
      </signatureDetails>
    </signatureInformation>
    <signatureInformation>
      <reportingPersonName>M Partners Fund (GP) LLC</reportingPersonName>
      <signatureDetails>
        <signature>/s/ Ali John Mirshekari</signature>
        <title>Ali John Mirshekari, Managing Member</title>
        <date>08/14/2025</date>
      </signatureDetails>
    </signatureInformation>
    <signatureInformation>
      <reportingPersonName>Ali John Mirshekari</reportingPersonName>
      <signatureDetails>
        <signature>/s/ Ali John Mirshekari</signature>
        <title>Ali John Mirshekari</title>
        <date>08/14/2025</date>
      </signatureDetails>
    </signatureInformation>
  </formData>
</edgarSubmission>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
