A head-rest apparatus for being mounted on a seat-back in a vehicle to allow an occupant of the vehicle to rest their head and seat-cushion includes a stay for being supported on the seat-back; and a main portion including a frame and a pad that surrounds the frame, the frame being pivoted to the stay at oppositely located first and second portions of the frame to be rotatable in first and second opposite directions, the first and second portions of the frame having edge portions that are turned to provide the edge portions with a curved configuration.