UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the

Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): April 3, 2014

MATTRESS FIRM HOLDING CORP.

(Exact Name of Registrant as Specified in Charter)

Registrant’s telephone number, including area code: (713) 923-1090

Not applicable

(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

o            Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o            Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o            Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o            Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 8.01                   Other Events.

On April 3, 2014, Mattress Firm Holding Corp., a Delaware corporation (the “Company”), issued a press release announcing the completion of the previously announced acquisition of Sleep Experts Partners, L.P. (“Sleep Experts”) by the Company’s subsidiary, pursuant to the Purchase and Sale Agreement (the “Purchase Agreement”) with Christopher T. Cook, an individual and Sleep Xperts, Inc., a Texas corporation.  Pursuant to the Purchase Agreement, the Company indirectly acquired all of the issued and outstanding partnership interests in Sleep Experts for an aggregate purchase price of approximately $65 million, subject to working capital and other customary purchase price adjustments.  As contemplated under the Purchase Agreement, 71,619 shares of common stock, par value $0.01 per share, of the Company were delivered to Sleep Xperts, Inc. as payment for $3,250,000 of the aggregate purchase price.

The foregoing description is qualified in its entirety by reference to the press release, a copy of which is attached as Exhibit 99.1 hereto and is incorporated herein by reference.

Item 9.01                   Financial Statements and Exhibits.

(d)                                Exhibits

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SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

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Index to Exhibits

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