vindication
ScienceDaily: Psychologists Attribute Yawning To The Need To Cool The Brain And Pay Attention
Evidence shows that blood vessels in the nasal cavity and face send cool blood to the brain, and by breathing through the nose or by cooling the forehead, the brain is cooled, eliminating the need to yawn. Recent evidence has linked multiple sclerosis, a demyelinating disease, to thermoregulatory dysfunction. Excessive yawning is a common symptom of multiple sclerosis, and some MS patients report brief symptom relief after they yawn.
Thank you. I thought I was going nuts. And some people thought I was being rude.