A bed having a heatable bed surface (3) that rests on a substructure (1) is proposed for physiotherapeutic treatments of the human body, wherein the bed surface (3) is formed by a plate (2) that rests on the substructure (1) and that comprises at least three layers, namely a carrier plate (6), a floor layer (7), which is applied on top of the carrier plate and in which a heat source (8) is embedded, and the actual bed surface (3), which is applied on top of the floor layer (7), wherein the bed surface (3) is composed of flat rubblestone pieces joined to each other in mosaic-like manner.
