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A member asked:
Why do people yawn? i heard yawning is a sign that your brain isn't getting enough oxygen. is this true?
3 doctors weighed in across 2 answers
True: Yawning is a sign of tiredness. Additionally, when your carbon dioxide (the gas given off with exhaling) level starts to rise in your body, it does stimulate the brain to cause you to yawn. The theory is that the yawning will cause you to take a deep breath and inhale more oxygen and exhale the excess carbon dioxide.
Answered 9/16/2013
6.3k views
Perhaps: Similar to sighing, yawning is a reflex to re-expand your lungs, which may have some of their air sacs not fully expanded due to periods of shallow breathing ...
Answered 9/20/2013
5.9k views
Related Questions
A member asked:
Shortness of breath with excessive yawning. Feels as though I can not take a deep enough breathe to get enough oxygen. ?
A doctor has provided 1 answer
A member asked:
Why do people yawn when there not tired or sleepy and feel like not getting enough oxygen?
A doctor has provided 1 answer
A member asked:
Why does some one yawn when their not tired but feels like their not getting enough oxygen is it something I should be worried about answer asap pleas?
A doctor has provided 1 answer
People also searched for:
I have yawned so much in the last two days and been feeling really tired. Idk whats going on if its my anxiety or brain not getttin enough oxygen ?
So i woke up this morning for work didnt want to wake up i was sleeping so good. Today i iust keep yawning and i feel sleepy. Is my brain need oxygen or could i just be tired or skmething worse? Just seen fam doc said lungs and heart sounded good
Sometimes i can't breathe deeply its like there is not enough oxigen want to yawn but can't doctors said no problem with heart lungs brain. Just nervous?
I feel like I yawn a lot because I don't feel like I get enough oxygen is this normal and what can I do please answer soon ?
Does yawning mean someone may be low on oxygen? I.E. They try to get more oxygen with a deep breath perhaps?
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