Disclosed is a sleep aid for a chair. The sleeping aid for a chair of the present invention is a head support configured to support a head and a fixed support fastened between the seat and the head rest, and one end is fastened and fixed to one side of the fixed support, and the other end is fastened to the head support Since it can be easily attached to and detached from the chair by including the arm portion, there is an effect that can be easily used by a user using a traffic vehicle with a chair.
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