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    <headerData>
        <submissionType>144</submissionType>
        <filerInfo>
            <filer>
                <filerCredentials>
                    <cik>0001900509</cik>
                    <ccc>XXXXXXXX</ccc>
                </filerCredentials>
            </filer>
            <liveTestFlag>LIVE</liveTestFlag>



        </filerInfo>
    </headerData>
    <formData>
        <issuerInfo>
            <issuerCik>0001206264</issuerCik>
            <issuerName>TEMPUR SEALY INTERNATIONAL, INC.</issuerName>
            <secFileNumber>001-31922</secFileNumber>
            <issuerAddress>
                <ns2:street1>1000 Tempur Way</ns2:street1>
                <ns2:city>Lexington</ns2:city>
                <ns2:stateOrCountry>KY</ns2:stateOrCountry>
                <ns2:zipCode>40511</ns2:zipCode>
            </issuerAddress>
            <issuerContactPhone>800-878-8889</issuerContactPhone>
            <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>HANSBART B. WIJNAND</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
            <relationshipsToIssuer>
                <relationshipToIssuer>Officer</relationshipToIssuer>
            </relationshipsToIssuer>
        </issuerInfo>
        <securitiesInformation>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <brokerOrMarketmakerDetails>
                <name>Morgan Stanley Smith Barney LLC</name>
                <address>
                    <ns2:street1>1 New York Plaza</ns2:street1>
                    <ns2:street2>38th Floor</ns2:street2>
                    <ns2:city>New York</ns2:city>
                    <ns2:stateOrCountry>NY</ns2:stateOrCountry>
                    <ns2:zipCode>10004</ns2:zipCode>
                </address>
            </brokerOrMarketmakerDetails>
            <noOfUnitsSold>28834</noOfUnitsSold>
            <aggregateMarketValue>1225658.37</aggregateMarketValue>
            <noOfUnitsOutstanding>172156898</noOfUnitsOutstanding>
            <approxSaleDate>08/21/2023</approxSaleDate>
            <securitiesExchangeName>NYSE</securitiesExchangeName>
        </securitiesInformation>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>01/03/2023</acquiredDate>
            <natureOfAcquisitionTransaction>Restricted Stock</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>8356</amountOfSecuritiesAcquired>
            <paymentDate>01/03/2023</paymentDate>
            <natureOfPayment>Not Applicable</natureOfPayment>
        </securitiesToBeSold>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>01/04/2023</acquiredDate>
            <natureOfAcquisitionTransaction>Restricted Stock</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>2581</amountOfSecuritiesAcquired>
            <paymentDate>01/04/2023</paymentDate>
            <natureOfPayment>Not Applicable</natureOfPayment>
        </securitiesToBeSold>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>01/03/2022</acquiredDate>
            <natureOfAcquisitionTransaction>Restricted Stock</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>8369</amountOfSecuritiesAcquired>
            <paymentDate>01/03/2022</paymentDate>
            <natureOfPayment>Not Applicable</natureOfPayment>
        </securitiesToBeSold>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>01/04/2022</acquiredDate>
            <natureOfAcquisitionTransaction>Restricted Stock</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>8405</amountOfSecuritiesAcquired>
            <paymentDate>01/04/2022</paymentDate>
            <natureOfPayment>Not Applicable</natureOfPayment>
        </securitiesToBeSold>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>01/05/2022</acquiredDate>
            <natureOfAcquisitionTransaction>Restricted Stock</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>1123</amountOfSecuritiesAcquired>
            <paymentDate>01/05/2022</paymentDate>
            <natureOfPayment>Not Applicable</natureOfPayment>
        </securitiesToBeSold>
        <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
        <noticeSignature>
            <noticeDate>08/21/2023</noticeDate>
            <planAdoptionDates/>
            <signature>/s/ Hansbart Bastiaan Wijnand</signature>
        </noticeSignature>
    </formData>
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144
0001900509
XXXXXXXX
LIVE
0001206264
TEMPUR SEALY INTERNATIONAL, INC.
001-31922
1000 Tempur Way
Lexington
KY
40511
800-878-8889
HANSBART B. WIJNAND
Officer
Common
Morgan Stanley Smith Barney LLC
1 New York Plaza
38th Floor
New York
NY
10004
28834
1225658.37
172156898
08/21/2023
NYSE
Common
01/03/2023
Restricted Stock
Issuer
N
8356
01/03/2023
Not Applicable
Common
01/04/2023
Restricted Stock
Issuer
N
2581
01/04/2023
Not Applicable
Common
01/03/2022
Restricted Stock
Issuer
N
8369
01/03/2022
Not Applicable
Common
01/04/2022
Restricted Stock
Issuer
N
8405
01/04/2022
Not Applicable
Common
01/05/2022
Restricted Stock
Issuer
N
1123
01/05/2022
Not Applicable
Y
08/21/2023
/s/ Hansbart Bastiaan Wijnand