Acker’s/Sleepy’s The Mattress Professionals is located in Frederick MD, Zip Code: 21704 on the street of 7310 Guilford Dr. If you want to ask something about the furniture, mattresses, catalog, pricing, hours and directions, the Phone number is 301-698-1090. The coordinates that you can use in navigation applications to find Acker’s/Sleepy’s The Mattress Professionals quickly are 39.39422 -77.41483 USA