According to the invention, the armchair has a seat, supporting feet, a stand-up aid, and a chassis with wheels for moving the armchair. The chassis is adjustable relative to the supporting feet between at least a first and a second position, with the wheels being spaced apart in the first position of the footprint while the armchair is supported with the supporting feet on the footprint, and with the wheels being in rolling contact with the footprint in the second position while the supporting feet are arranged so as to be spaced apart from the footprint. The aid has an adjustment mechanism with a servomotor, with the adjustment mechanism being coupled with the chassis for the purpose of displacing the chassis by means of the servomotor between the first and second position.