A hospital bed (12) is provided having a slidably extendable drawer (14) in which a removable bed pan (16) is disposed. The drawer (14) fits under the mid-section of the bed, and the bed is provided with a mattress (20) having stationary cushions (22) and moveable cushions (24). The moveable cushions (24) are located in a central portion of the mattress (20) and configured for sliding out from underneath a person lying on the bed (12). A pair of cushion guide tracks (56) are provided which are have a serpentine profile, such that sections (48, 50) of the movable cushions (24) may be lowered and them moved from beneath the body of a person for accessing a central opening (26) beneath which the removable bed pan (16) is located when the drawer (14) is inserted fully into the mid-section of the bed (12).