SEAT INCLUDING A HEAD SENSOR

A vehicle seat for use in a vehicle comprises a seat body for engagement with a seated occupant's body. The seat body including: a seat base for receiving a seated occupant and a backrest extending upward from the base for supporting the seated occupant's back, and a headrest connected with the backrest and projecting upward from the backrest. The headrest includes a receiving face facing forward for engagement with the occupant's head in the event of a sudden change in velocity to ease rearward movement of the occupant's head.