Abstract: The invention concerns a lying surface with upper cushioning body and at least two upper and lower lamellar grid, arranged parallel to each other, which are placed on elastic body in each case extending in the longitudinal direction, wherein the lower lamellar grid rests on a further lower cushioning body, which cushioning body in turn rests either on a supporting plate or merely on two spaced-apart supporting members which are fastened to the longitudinal sides of a bed frame. It may be provided that the cushioning body are covered by additional insulation fleece sheets, and certain layers of the lying surface are accommodated in fabric flap and the entire lying surface is accommodated in a covering. The entire lying surface can be rotated through 180 so that it is possible to sleep also on the lower cushioning body, wherein the two cushioning body may have a different strength. The lamellar grid may have a different spacing between their respective lamella.