Oscitance used in a sentence

drowsiness and dullness manifested by yawning

See also: oscitancy

an involuntary intake of breath through a wide open mouth; usually triggered by fatigue or boredom; "he could not suppress a yawn"; "the yawning in the audience told him it was time to stop"; "he apologized for his oscitancy"

See also: yawn yawning oscitancy