For a good yawn I need to really open my mouth and push/strain my jaw muscles. If that doesnt happen, then the yawn feels incomplete to my body and it happens again and again till it works “right”

What is the reason/body function behind that?

  • Alcoholicorn@mander.xyz
    link
    fedilink
    arrow-up
    11
    ·
    2 days ago

    People doing cardio and people exposed to elevated co2 don’t yawn, yet dogs yawn when they see people yawning so its probably not that simple.

    • Wrufieotnak@feddit.orgOP
      link
      fedilink
      arrow-up
      6
      ·
      2 days ago

      I mean, when I see videos of animals yawning, like lions, I get the urge myself to yawn. So definitely a complex topic.

    • Zarobi@aussie.zone
      link
      fedilink
      English
      arrow-up
      5
      ·
      2 days ago

      I always thought of it like, we’re all comfy and safe social signal. It makes you feel a bit sleepy as well, and it’s contagious because it makes other people want to return the signal. That’s just my theory though. A personal theory!