oscitance

Noun oscitance has 2 senses

• oscitance(n = noun.state) oscitancy - drowsiness and dullness manifested by yawning;
is a kind of dullness, obtuseness, drowsiness, sleepiness, somnolence

• oscitance(n = noun.act) oscitancy, yawn, yawning - 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"
has particulars: pandiculation
is a kind of inborn reflex, innate reflex, instinctive reflex, physiological reaction, reflex, reflex action, reflex response, unconditioned reflex