Technically, no it doesn't. it's one of the bodies natural reactions to a buildup of CO2 in the body
no
For many years yawning has been associated with one being tired, bored or stressed. If one wishes to learn more about yawning, the site with the most detailed information would be on Wikipedia.
Because you're tired.
it means either you are bored or they are tired
None ! Yawning is either the body signalling you're tired, or that you're short of oxygen. Nothing to do with muscles !
Yawning helps you get more oxigen to the brain.
yes............and it can also mean you are tired
Um, I shouldn't think that yawning itself causes heart palpitations, but if you are extremely tired, there is more chance of you having a palpitation.
they say its due to a lack of oxygen to the brain....it happens to me as a result of me being around air conditioninWell I always yawn when I'm tired, it gives me more energy but it makes me sleepy or when you se someone else yawning constantly!-Icelopbunny
Our Brain send msg to our mouth that it needs rest and want to sleep nd as a result we Yawn .
I am taking a antidepressant and can't stop yawning is there anything I can do without stopping the medication?
They will feel dizzy. Weak. Tired and they will keep yawning.