Abstract: A head support device for supporting the head of a person in an upright position against the back support of a chair. The head support device includes a flexible panel having a first side and a second side. The panel has a first edge, a second edge, a third edge, and a fourth edge wherein the first and second edges are positioned opposite of each other. The third and fourth edges extend outward in opposite directions at junctures with the first and second edges such that four flaps are defined. A fastening means removably fastens two flaps on the third edge together and the two flaps one the fourth edge together. A securing means removably secures the first side of the panel to the chair.