Vehicle seat with a backrest is rotatable in

The present invention relates to a vehicle seat with a seating surface defining seat underframe (U) and a seat back (L), wherein the seat back (L) along a backrest longitudinal axis (B) and the backrest longitudinal axis (B) in a use position of the backrest (L ), F) can take a seat in which a person (P) as intended (on the vehicle seat, extends at an angle to the seat bottom. In the use position, the backrest can, for example, along its longitudinal axis at an optionally adjustable backrest recline angle of 60-120 ° to extend the seating surface. According to the invention a power-operated drive device is provided with at least a preferably electric motor drive unit (1, 2), the rotation of the backrest located in the use position (L) with respect to their longitudinal axis of the backrest (B) permitted.