Sun Mattress,LLC, an affiliate of Sun Capital Partners, Inc., acquires Mattress Firm, Inc. from an affiliate of Sealy Corporation mattressreviews.us Mattress Guide Sun Mattress,LLC, an affiliate of Sun Capital Partners, Inc., acquires Mattress Firm, Inc. from an affiliate of Sealy Corporation mattressreviews.us mate234 June 2, 2019 Mattress Reviews Sun Mattress,LLC, an affiliate of Sun Capital Partners, Inc., acquires Mattress Firm, Inc. from an... Read More Read more about Sun Mattress,LLC, an affiliate of Sun Capital Partners, Inc., acquires Mattress Firm, Inc. from an affiliate of Sealy Corporation mattressreviews.us