oscitance

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun Oscitancy.

from The Century Dictionary.

• noun Same as oscitancy.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun drowsiness and dullness manifested by yawning
• noun an involuntary intake of breath through a wide open mouth; usually triggered by fatigue or boredom