I just noticed that I do .

  • QuarterSwede@lemmy.world
    link
    fedilink
    arrow-up
    3
    ·
    23 hours ago

    People do it out of respect for others since yawning is contagious. We tend to hide our mouths so that others don’t yawn.

    • CmdrShepard42@lemm.ee
      link
      fedilink
      arrow-up
      2
      ·
      10 hours ago

      I do it because you look really stupid when you yawn, walking around mouth all wide. The hand hides all that.