You've definitely yawned today, but do you actually know why?

The episode covers the real science behind yawning and why it spreads so easily, touching on the brain thermoregulation theory, the role of mirror neurons in contagious yawning, and what empathy and social bonding have to do with a reflex you can't control. Research from the University of Nottingham even links yawn contagion to the same neural mechanisms behind conditions like ADHD and autism spectrum disorder.

The reason yawning is contagious has nothing to do with being tired, and everything to do with how your brain reads the people around you.

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