this post was submitted on 17 Aug 2023
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Today I Learned

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[–] [email protected] 109 points 1 year ago (1 children)

it exists to make evident it's time to end the meeting

[–] [email protected] 65 points 1 year ago (2 children)

Reading the title of this post made me yawn.

[–] [email protected] 17 points 1 year ago (1 children)

Reading that this guy yawned made me yawn.

[–] [email protected] 9 points 1 year ago (2 children)
[–] [email protected] 6 points 1 year ago (3 children)
[–] [email protected] 7 points 1 year ago (1 children)

Reading that this guy cam made me yawn

[–] [email protected] 7 points 1 year ago (1 children)

I was cumming on this yawning guy and he made me read

[–] [email protected] 3 points 1 year ago

gasp! the fiend!

[–] [email protected] 2 points 1 year ago

I "ejacutooted."

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[–] [email protected] 1 points 1 year ago* (last edited 1 year ago)

Reading your comment made me yawn

[–] [email protected] 29 points 1 year ago* (last edited 1 year ago) (2 children)

Seems like if you read between the lines, there's a certain commonality in increased respiration/alertness, stress response and showing of teeth that solves a common need across species. When a subject recognizes a lack of alertness, a present threat or the need for aggressive action in the near future, a yawn can help prepare for that while also giving pause to those who might be threats and/or potentially paralyzing prey. The failure in consensus here appears, to me, an inability to describe those seemingly disparate needs as related to the physiology that drives them. Not a lack of understanding, so much as a deficiency in perlocution.

[–] [email protected] 37 points 1 year ago (1 children)

Ay yo so I was bout to tell you how that's all wrong, but then you go throwin out words like "perlocution" and now I realize you probly know what the fuck is up, so I'm just gonna trust.

[–] [email protected] 12 points 1 year ago (1 children)
[–] [email protected] 9 points 1 year ago (2 children)

You can't just say perchance.

[–] [email protected] 7 points 1 year ago

I think they just did.

[–] [email protected] 6 points 1 year ago

Perchance they can

[–] [email protected] 4 points 1 year ago (2 children)

I've read that people with autism are less likely to catch a yawn. Not sure if that's true.

I've taken meds that caused uncontrollable yawning. That's super annoying!

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[–] [email protected] 20 points 1 year ago (2 children)

reading the title of this post made me yawn lol

[–] [email protected] 7 points 1 year ago (1 children)
[–] [email protected] 5 points 1 year ago

It's such a good self portrait.

[–] [email protected] 6 points 1 year ago

welp, i'm glad i wasn't alone

[–] [email protected] 17 points 1 year ago

It's from when caveman wanted to leave their friends cave and go home, but can't get an ugg in and they don't want to be rude.

[–] [email protected] 14 points 1 year ago (2 children)

I used to have a dog that would yawn with a little whine whenever she was frustrated. It was adorable.

[–] [email protected] 3 points 1 year ago (1 children)

I call that the "silent scream"

[–] [email protected] 3 points 1 year ago (1 children)

It wasn't silent, that's part of what made it so cute. She whined while yawning.

[–] [email protected] 3 points 1 year ago

Yeah mine does it too, but the scream is so quiet compared to how wide his mouth is... It looks like he should be screaming a lot louder but it's just this little squeak

[–] [email protected] 2 points 1 year ago

That's pretty common among cats and dogs. Sometimes the clever ones will hide a bite they decided against at the last second with a yawn, too.

[–] [email protected] 11 points 1 year ago* (last edited 1 year ago) (1 children)

I watched a video a couple years ago where they did an experiment with chimps. I thought they concluded that the "cantagious" yawning has to deal with the animals empathy and wanting to be like others, it was a social thing in pretty sure. I have no idea where to even find this video though so take that with a grain of salt

[–] [email protected] 10 points 1 year ago (1 children)

Mythbusters rated contagious yawns as plausible, I believe, because they observed multiple instances of yawns spreading throughout a building where the participants couldn't see each other.

[–] [email protected] 2 points 1 year ago

Its all pretty interesting to think about honestly! Hopefully we get an actual answer instead of just speculation!

[–] [email protected] 11 points 1 year ago (1 children)

Lmao, the guy in the thumbnail painting was a big meme years ago on the internet. Remember that time lol

[–] [email protected] 3 points 1 year ago

Joseph Ducreux. He did a load more.

[–] [email protected] 10 points 1 year ago (3 children)

i thought it was to clear out carbon dioxide build up deep in your lungs, and instinctually its an indicator of rest?

[–] [email protected] 5 points 1 year ago (1 children)

As someone with asthma and lowered ability to cycle out CO2, yawning has always helped me restore the "full" feeling and your comment just made everything snap into place.

The primary driver of suffocation panic, pain, and feeling of air starvation isn't the lack of oxygen but CO2 buildup. It makes sense that yawning on command could then help alleviate the symptoms of CO2 buildup in asthma sufferers.

[–] [email protected] 3 points 1 year ago

Might be a group protection mechanism to indicate low oxigen in crammed spaces qith many individuals. In addition to that could be a geoup trigger for rest.

[–] [email protected] 4 points 1 year ago

I always thought it was due to clearing the lungs out or to regulate them but then I saw a turtle yawn under water. I then thought it's ancestors wouldn't have been swimmers so maybe it's instinctive still, but then it would need a mechanism to prevent water inhalation. So why retain the yawn.

Perhaps as you say it's more about visual communication to others around you.

[–] [email protected] 2 points 1 year ago

It seems most sensible to me that it serves a bunch of uses: clearing the lungs, alerting yourself and others that you're tired and probably need someone else to take over, social bonding, spooking predators..

[–] [email protected] 9 points 1 year ago

LPT: Getting mauled by a kodiak? Try yawning!

[–] [email protected] 6 points 1 year ago

I yawned as this was scrolling into view wtf

[–] [email protected] 6 points 1 year ago

I had heard this and tried to get my dog to yawn. No dice.

[–] [email protected] 4 points 1 year ago

Because I'm tired

[–] [email protected] 2 points 1 year ago

I wouldn't be surprised if it's not the human that instigates the yawn at all, and it's initiated by the lung microbiome to regulate its environment.

For science: anyone up for huffing some chlorine to see if their yawning goes away?