The invention relates to a bed for providing support in sitting up to a person lying thereon, comprising an approximately rectangular frame, which comprises at least two frame parts, which are separated from each other in the transverse direction and are connected to each other in an articulated manner and are completed to form a planar element by flexible slats, woven wire fabric, or the like and can be swiveled about a transverse axis oriented transversely to the respective frame part from the horizontal to an inclined position, wherein at least one sit-up area lies on at least one frame part, said sit-up area being integrated into the surface of the frame part in the deactivated state, the outward-facing edge of said sit-up area extending approximately to the border of the frame and the inward-facing edge of said sit-up area being at a distance from the center line of the frame extending in the longitudinal direction, wherein said sit-up area can be swiveled about a sit-up axis extending parallel or at an angle to a longitudinal side of the frame in order to activate the sit-up area.