Steinhoff also owns discount chains Poundland in the United Kingdom and Ackermans in South Africa. Mattress Firm acquired HMK Mattress Holdings LLC, the parent company of competitor Sleepy's, in 2016 for $780 million and then rebranded the shops. Sleepy's had over 1,050 stores on the U.S. East Coast and Illinois. (Reporting by Jessica DiNapoli in New York; Editing by Lisa Shumaker)