An item of seating furniture having a sitting surface which is mounted on a frame structure and which can be lifted from a lower position to an upper position by means of a lifting device, said lifting device having a scissors mechanism that has at least two limb parts which can pivot relative to each other. At least one spring element which is prestressed in the lower position, acts in the direction of the upper position and can be arranged in at least two different angular positions engages with at least one of the limb parts which is mounted via an articulated joint to the frame structure.