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  <headerData>
    <submissionType>144</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001596057</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0000827187</issuerCik>
      <issuerName>Sleep Number Corp</issuerName>
      <secFileNumber>000-25121</secFileNumber>
      <issuerAddress>
        <com:street1>1001 THIRD AVENUE SOUTH</com:street1>
        <com:city>MINNEAPOLIS</com:city>
        <com:stateOrCountry>MN</com:stateOrCountry>
        <com:zipCode>55404</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>7635517000</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Brown Kevin Kennedy</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Former Officer</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Charles Schwab &amp; Co., Inc.</name>
        <address>
          <com:street1>3000 Schwab Way</com:street1>
          <com:city>Westlake</com:city>
          <com:stateOrCountry>TX</com:stateOrCountry>
          <com:zipCode>76262</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>47573</noOfUnitsSold>
      <aggregateMarketValue>418108.00</aggregateMarketValue>
      <noOfUnitsOutstanding>22660000</noOfUnitsOutstanding>
      <approxSaleDate>06/11/2025</approxSaleDate>
      <securitiesExchangeName>NASDAQ</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>03/28/2017</acquiredDate>
      <natureOfAcquisitionTransaction>RSU / PSU - see remarks</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Sleep Number Corp</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>47573</amountOfSecuritiesAcquired>
      <paymentDate>03/28/2017</paymentDate>
      <natureOfPayment>Equity Compensation</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <remarks>The shares in this filing were acquired and paid for between 3/28/2017 and 4/16/2025.</remarks>
    <noticeSignature>
      <noticeDate>06/11/2025</noticeDate>
      <signature>Kevin Kennedy Brown</signature>
    </noticeSignature>
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144
0001596057
XXXXXXXX
LIVE
0000827187
Sleep Number Corp
000-25121
1001 THIRD AVENUE SOUTH
MINNEAPOLIS
MN
55404
7635517000
Brown Kevin Kennedy
Former Officer
Common
Charles Schwab & Co., Inc.
3000 Schwab Way
Westlake
TX
76262
47573
418108.00
22660000
06/11/2025
NASDAQ
Common
03/28/2017
RSU / PSU - see remarks
Sleep Number Corp
N
47573
03/28/2017
Equity Compensation
Y
The shares in this filing were acquired and paid for between 3/28/2017 and 4/16/2025.
06/11/2025
Kevin Kennedy Brown