Seating and lounging furniture having a frame, a backrest, a seat element, and a footrest, wherein - the seat element is connected to the frame by means of a seat element adjustment mechanism for a displacement and tilting movement of the seat element relative to the frame, - the footrest is connected to a front end of the seat element by means of a footrest adjustment mechanism for extending and retracting the footrest, - the backrest is connected to a rear end of the seat element and to the frame via a backrest adjustment mechanism, - only one linear actuator is provided for adjusting the seat element, the footrest, and the backrest between an upright base position and a reclining position of the seating and lounging furniture, wherein the linear actuator when actuated generates a linear lift, made up of a first partial lift and a second partial lift, characterized in that a linkage mechanism is provided which connects the backrest, the seat element, and the footrest to one another, wherein the linkage mechanism includes a first linkage part, a second linkage part, and a third linkage part that are coupled together and wherein - the first linkage part couples the footrest adjustment mechanism to the second linkage part, - the second linkage part is coupled to the seat element, and - the third linkage part couples the second linkage part to the backrest adjustment mechanism, - a first end of the actuator is coupled to the frame, and a second end is coupled to the seat element, -, the first partial lift bringing about the displacement and pivoting movement of the seat element relative to the frame without an extension or retraction of the footrest, and the second partial lift bringing about a synchronous inclination of the backrest relative to the seat element and an extension or retraction of the footrest relative to the seat element. - the seat element is connected to the frame by means of a seat element adjustment mechanism for a displacement and tilting movement of the seat element relative to the frame, - the footrest is connected to a front end of the seat element by means of a footrest adjustment mechanism for extending and retracting the footrest, - the backrest is connected to a rear end of the seat element and to the frame via a backrest adjustment mechanism, - only one linear actuator is provided for adjusting the seat element, the footrest, and the backrest between an upright base position and a reclining position of the seating and lounging furniture, wherein the linear actuator when actuated generates a linear lift, made up of a first partial lift and a second partial lift, characterized in that a linkage mechanism is provided which connects the backrest, the seat element, and the footrest to one another, wherein the linkage mechanism includes a first linkage part, a second linkage part, and a third linkage part that are coupled together and wherein - the first linkage part couples the footrest adjustment mechanism to the second linkage part, - the second linkage part is coupled to the seat element, and - the third linkage part couples the second linkage part to the backrest adjustment mechanism, - a first end of the actuator is coupled to the frame, and a second end is coupled to the seat element, -, the first partial lift bringing about the displacement and pivoting movement of the seat element relative to the frame without an extension or retraction of the footrest, and the second partial lift bringing about a synchronous inclination of the backrest relative to the seat element and an extension or retraction of the footrest relative to the seat element.