A waterbed, water mattress, or flotation mattress is a bed or mattress filled with water. Early waterbed mattresses, and many inexpensive modern mattresses, have a single water chamber. Schmidt throws out his back after sleeping on Randall's waterbed, infuriating Jeannie. Schmidt feels his daughter could do better than Randall, a waterbed salesman. For a time, James lived in the conference room with the waterbed floor. Another advantage of a waterbed is its easy cleaning. Upon further examination, she discovered Maddie's body hidden inside the base of the waterbed. In 1871, a waterbed was in use in Elmira, New York, for "invalids". During the same evening, the killer also stalks Sylvia and stabs her on a waterbed. That company was so successful that he changed the whole company into waterbed stores. He discovered the benefits of a waterbed for recuperation. The waterbed can be useful and comfortable for some and dangerous for others. The main feature of the waterbed found attractive is its form-fitting, pressure-minimizing nature. In-flight service offered organic food, rock music, and a waterbed. "Big Daddy" is the lead single from Heavy D's sixth album, "Waterbed Hev".