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  2. Why you yawn when you’re bored, according to experts - AOL

    www.aol.com/lifestyle/why-yawn-bored-according...

    Yawning often feels involuntary—it’s triggered by the same part of the brain as sneezing, Sullivan says. But the difference is, a yawn can be controlled from “the top down” if you think ...

  3. Why do we yawn — and why is it so contagious? Experts explain.

    www.aol.com/lifestyle/why-yawn-why-contagious...

    Merely thinking about or seeing someone yawning can make you yawn. But why?

  4. The science behind why yawning is contagious - AOL

    www.aol.com/news/2017-09-01-the-science-behind...

    According to the BBC, previous studies suggesting contagious yawning shows how empathetic you are may not be that concrete. And here we thought we were all just super nice people. Show comments

  5. Yawn - Wikipedia

    en.wikipedia.org/wiki/Yawn

    Snakes yawn, both to realign their jaws after a meal and for respiratory reasons, as their trachea can be seen to expand when they do this. Dogs, and occasionally cats, often yawn after seeing people yawn [11] [65] and when they feel uncertain. [66] Dogs demonstrate contagious yawning when exposed to human yawning.

  6. Sopite syndrome - Wikipedia

    en.wikipedia.org/wiki/Sopite_syndrome

    Drowsiness, yawning, disinclination for work, lack of social participation, mood changes, apathy, sleep disturbances, other fatigue-related symptoms The sopite syndrome ( / s oʊ ˈ p aɪ t / ; from Latin sopire 'to put to sleep') [ 1 ] is a neurological disorder that relates symptoms of fatigue , drowsiness , and mood changes to prolonged ...

  7. Sleep induction - Wikipedia

    en.wikipedia.org/wiki/Sleep_induction

    Yawning is commonly associated with imminent sleep, but it seems to be a measure to maintain arousal when sleepy and so it actually prevents sleep rather than inducing it. [8] Yawning may be a cue that the body is tired and ready for sleep, but deliberate attempts to yawn may have the opposite effect of sleep induction.

  8. Can you make it through this video without yawning? - AOL

    www.aol.com/news/2014-03-31-can-you-make-it...

    A study from the University of Tokyo found dogs yawn more when their owners yawn compared to when strangers do. Let us know how far you got without yawning in the comments below ... we're going ...

  9. Exhalation - Wikipedia

    en.wikipedia.org/wiki/Exhalation

    Yawning is considered a non-respiratory gas movement. A non-respiratory gas movement is another process that moves air in and out of the lungs that do not include breathing. Yawning is a reflex that tends to disrupt the normal breathing rhythm and is believed to be contagious as well. [14] The reason why we yawn is unknown.