A head securing assembly for supporting a user's head while sleeping and sitting upright in a seat includes a pair of clamps that is each positionable on a top side of a backrest of a seat in a vehicle. Each of the clamps is positioned on opposite sides of a headrest post with respect to each other. A support is coupled to each of the clamps and the support is directed forwardly from the backrest of the seat. A pair of cushions is each slidably coupled to the support and each of the cushions can be positioned on opposite sides of a user's head when the user sits in the seat. In this way the user's head is inhibited from tipping to the left or to the right when the user is sleeping.