A slatted support structure for a bed or a chair, the slatted support structure comprising a frame, at least one hinge, and at least one slat, the frame comprising a first and a second support in a length direction of the slatted support structure, wherein the length direction is orthogonal to the slat direction, each hinge comprising a first beam and a second beam, wherein each beam (111, 115) comprises a frame mounting position (113, 117) a hinge mounting position (114, 118), and a slat mounting position (112, 116), wherein the first beam and the second beam are rotatably connected at the hinge mounting positions (114, 118) by means of a connecting element, and wherein the first beam is supported at the frame mounting position by the first support and the second beam is supported at frame mounting position by the second support, and wherein the at least one slat is at a first end supported by the first beam at the slat mounting position thereof and at a second end by the second beam at the slat mounting position thereof, characterized in that the connecting element comprises a positioning element which comprises a first element and a second element wherein the second element or the first element is connected with the at least one, slat or frame and wherein the positioning element is configured such that the position of the first element with respect to the second element can be changed such that an angle between the first beam and the second beam can be chosen and such that the first and second beams can be secured to a fixed position at the chosen angle or to a resilient position wherein the angle can change resiliently around the chosen angle. the frame comprising a first and a second support in a length direction of the slatted support structure, wherein the length direction is orthogonal to the slat direction, each hinge comprising a first beam and a second beam, wherein each beam (111, 115) comprises a frame mounting position (113, 117) a hinge mounting position (114, 118), and a slat mounting position (112, 116), wherein the first beam and the second beam are rotatably connected at the hinge mounting positions (114, 118) by means of a connecting element, and wherein the first beam is supported at the frame mounting position by the first support and the second beam is supported at frame mounting position by the second support, and wherein the at least one slat is at a first end supported by the first beam at the slat mounting position thereof and at a second end by the second beam at the slat mounting position thereof, characterized in that the connecting element comprises a positioning element which comprises a first element and a second element wherein the second element or the first element is connected with the at least one, slat or frame and wherein the positioning element is configured such that the position of the first element with respect to the second element can be changed such that an angle between the first beam and the second beam can be chosen and such that the first and second beams can be secured to a fixed position at the chosen angle or to a resilient position wherein the angle can change resiliently around the chosen angle.