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RE: Why Is Yawning So Contagious?

in #science7 years ago (edited)

Who else yawned while reading this? I did it twice xD. "Yet another theory suggests that it is also triggered due to sleepiness and boredom due to the various chemical changes in the brain."... I agree with that theory, to me it makes the most sense. Cuz that's usually when I yawn, except when I see someone else yawned, or talk about it lol.

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Only twice? Good for you :D yeah, the chemical changes pertaining to mood might be the actual reason after all.