Why does seeing someone yawn make you yawn too? – Why yawning spreads
You may yawn when you think about yawning or read the word yawn. This happens because imagination activates the same mirror circuits. Fatigue, boredom, and temperature shifts can add to the effect. Even animals like dogs show similar contagious responses with their owners.
(Disclaimer: This story is strictly for educational purposes only and does not substitute any professional medical advice and should not be considered as professional medical advice.)
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