Head support for vehicle seat backs

A vehicle seat, comprising:

• a seat including a seat back having a back support portion supporting a person's back sitting in the seat, ad a headrest portion extending upward from said back support portion positioned rearward of the head of an individual seated in said seat, said headrest portion having a cutout formed by a concave inset provided in the front of the headrest portion, and a first fastener attached to the headrest in the cutout;
• a head restraining insert having a front and a back, said insert removably mountable in the cutout of the headrest portion, a second fastener attached to the back of the insert releasably mateable with the first fastener to hold the insert in the mounted position, said insert mounted in said cutout providing a first profile having a substantially planar front surface for limiting the rearward movement of the head of the individual as a safety measure;
• a pillow having a front and a back, said pillow removably mountable to the headrest portion with the back of the pillow nested in the cutout, a third fastener attached to the back of the pillow releasably mateable with the first fastener to hold the pillow in the mounted position, the pillow configured to provide a second profile having a concave front surface for directly supporting the back of the head of an individual seated in the seat for napping;
• and
• the insert and the pillow being interchangeably mountable in the cutout of the headrest.