    <SEC-DOCUMENT>0001206264-25-000100-index.html : 20250331
    <SEC-HEADER>0001206264-25-000100.hdr.sgml : 20250331
    <ACCEPTANCE-DATETIME>20250331160630
    ACCESSION NUMBER:		0001206264-25-000100
    CONFORMED SUBMISSION TYPE:	DEFA14A
    PUBLIC DOCUMENT COUNT:		3
    FILED AS OF DATE:		20250331
    DATE AS OF CHANGE:		20250331

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			SOMNIGROUP INTERNATIONAL INC.
    		CENTRAL INDEX KEY:			0001206264
    		STANDARD INDUSTRIAL CLASSIFICATION:	HOUSEHOLD FURNITURE [2510]
    		ORGANIZATION NAME:           	04 Manufacturing
    		EIN:				331022198
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		DEFA14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-31922
    		FILM NUMBER:		25793203

    	BUSINESS ADDRESS:
    		STREET 1:		1000 TEMPUR WAY
    		CITY:			LEXINGTON
    		STATE:			KY
    		ZIP:			40511
    		BUSINESS PHONE:		800-878-8889

    	MAIL ADDRESS:
    		STREET 1:		1000 TEMPUR WAY
    		CITY:			LEXINGTON
    		STATE:			KY
    		ZIP:			40511

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	TEMPUR SEALY INTERNATIONAL, INC.
    		DATE OF NAME CHANGE:	20130614

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	TEMPUR PEDIC INTERNATIONAL INC
    		DATE OF NAME CHANGE:	20031202

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	TWI HOLDINGS INC
    		DATE OF NAME CHANGE:	20021119
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEFA14A
    <SEQUENCE>1
    <FILENAME>sgi2025defa14aadditionalma.htm
    <DESCRIPTION>SGI 2025 DEFA14A
    <TEXT>
    Document 1 - file: sgi2025defa14aadditionalma.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>somnigroupinternationalincb.jpg
    <DESCRIPTION>---GRAHIC
    <TEXT>
    Document 2 - file: somnigroupinternationalincb.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>somnigroupinternationalincc.jpg
    <DESCRIPTION>---GRAHIC
    <TEXT>
    Document 3 - file: somnigroupinternationalincc.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>