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  1. Why Do You Yawn — and Is It Contagious? - Cleveland Clinic …

    • It’s no coincidence that you frequently yawn when you feel your eyelids droop and you start daydreaming about your warm bed. In fact, a yawn might be your brain attempting to jolt you awake when you’re sl… See more

    Theory 2: It Helps Relieve Pressure

    Have your parents ever told you to try and yawn on purpose to help pop your ears when a planelands? Well, turns out there may be some science to that tip. “Yawns are useful i… See more

    Cleveland Clinic
    Theory 3: It Helps Regulate Brain Temperature

    Researchershave also found that yawning helps thermoregulate your brain — meaning helping your brain maintain its core internal temperature. “They theorized that just as … See more

    Cleveland Clinic
    Are Yawns Contagious?

    Did you ever notice that after you see someone yawn, you feel the need to yawn yourself? This is what we call a “contagious yawn” — and yes, it’s a thing. But there’s still a lot of … See more

    Cleveland Clinic
    The Bottom Line on Yawning

    Yawning is a common phenomenon that many of us experience. You may notice it happens when you’re​​​ tired or bored, but it could also be a response to stress, pressure o… See more

    Cleveland Clinic
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  2. Humans catch yawns for several reasons12345:
    • Yawning is a reflex in response to sleepiness, stress, boredom, or seeing another person yawn.
    • Yawning serves a social function, communicating boredom.
    • Yawning is contagious due to natural empathic response and social mirroring.
    • It may help increase blood flow to the brain.
    Learn more:
    Typically, yawning is a response to fatigue or lack of stimulation. Babies can yawn, even in the womb. Yawning is contagious, as part of humans natural empathic response. Yawning serves a social function, communicating boredom.
    www.medicalnewstoday.com/articles/318414

    Key Takeaways: Why Do We Yawn?

    • A yawn is a reflex in response to sleepiness, stress, boredom, or seeing another person yawn.
    www.thoughtco.com/why-do-we-yawn-4586495
    Common triggers of yawning include tiredness, boredom, waking up and stress. Seeing or hearing other people yawn can also cause you to yawn.
    my.clevelandclinic.org/health/body/yawning
    It turns out that most spontaneous yawning actually happens when we are limbering up for activity such as a workout, performance or exam, or simply when we wake up. That has led to the idea that yawning helps us gear up by increasing blood flow to the brain.
    www.newscientist.com/question/why-do-we-yawn/
    What is known is that the behavior is contagious. The likelihood of yawning increases sixfold, according to one study, after seeing someone else yawn. As for yawn contagion, Giordano said it may be related to a phenomenon called social mirroring, where organisms imitate the actions of others.
    www.pbs.org/newshour/science/why-are-yawns-co…
     
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  4. Why Do We Yawn and Is It Contagious? - Healthline

    Feb 5, 2020 · What does yawning say about you and your body? We’ll tell you why it happens, what it says about empathy, and how to stop yawning.

     
  5. Why Do We Yawn and Why Is It Contagious? | Smithsonian

  6. Why are yawns contagious? We asked a scientist

    Jul 17, 2018 · Excess carbon dioxide and other chemical changes, such as a drop in oxygen or increase in a compound called adenosine, could also act as “yawn gates,” said James Giordano, a neuroethicist and...

  7. Why Do Humans Yawn? Unpacking the Theories

    Oct 10, 2023 · There are several theories as to why people yawn. These include increasing oxygen to the brain, organs, and tissues, helping you stay awake, relieving inner ear pressure, and regulating body temperature. Yawning is also …

  8. Why Do We Yawn? - WebMD

    Mar 15, 2024 · Yawning opens up the muscles in your skull and jaw to increase blood flow to the brain. Yawning causes you to breathe in deeply, which increases blood flow in the veins in your brain and allows...

  9. Yawning: Why is it so contagious and why should it matter?

  10. Why Do We Yawn? Science Explains - Science Notes …

    Aug 28, 2017 · People and their pets catch yawns from each other. However, in people, only about 60-70% catch yawns. Older people, young animals and people, and persons with autism and schizophrenia are less likely to catch …

  11. Why Are Yawns Contagious? Here's the Science …

    Jan 11, 2024 · It’s true that yawning is contagious. A yawn could be triggered by seeing, hearing or even thinking about yawning. Gallup notes that some people are more prone to catching a yawn than...

  12. Why Yawns Are Contagious, According to a Doctor

    Aug 14, 2024 · Why Are Yawns Contagious? Yawns can be contagious for many reasons, although scientists are still researching whether or not people actually "catch" yawns from each other. Here are a few reasons they think people pass …

  13. Why do we yawn? - New Scientist

    Yawning is an evolutionarily ancient reflex that we share with lots of animals – not just mammals but also birds, reptiles and fish. Humans begin yawning in the womb at around 11 weeks...

  14. Yawning and its physiological significance - PMC - PubMed …

  15. Yawning Causes & Treatment - Cleveland Clinic

  16. Why do we yawn? - BBC Science Focus Magazine

  17. Why Do We Yawn and Why Is Yawning So Contagious?

  18. Yawning: Causes and reasons for contagious yawning - Medical …

  19. Why are yawns infectious? - BBC Science Focus Magazine

  20. Why Are Yawns Contagious? Theories and Studies - ThoughtCo

  21. You don't say? The yarn on yawning - Harvard Health

  22. Both animals and humans yawn. Why do we yawn and why is it …

  23. Why yawns are contagious—in all kinds of animals - Science