A member asked:

Do we only yawn when we are tired? i yawn a lot even when it's impossible that i'm tired why?

A doctor has provided 1 answer
Dr. Alan Ali answered

Specializes in Psychiatry

Yawning: It is a way to keep our brains alert during times of stress. It keeps the brain at its cool optimal working temperature so as to keep our reaction times & memory clear.

Answered 3/19/2015

3.1k views

Thank

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