Sleepy's Rosedale 8643 Pulaski Hwy, Rosedale, MD21237 Sleepy's The Mattress Professionals is a nationwide company specializing in mattresses, bed frames and bedding…More materials. The location on Pulaski Highway offers numerous products for customers, including selections from brands such as King Koil, Serta, Simmons, Stearns & Foster, Tempur-Pedic and more. The store also offers comforters, furniture and mattress pads. The company offers a twenty-one day comfort exchange, which allows customers to reselect a mattress of equal or greater value if not satisfied with a purchase. Check the main site for a gallery of products or for details on brands offered.