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Because you haven't had enough sleep.

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12y ago

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Related Questions

Why do I yawn so much when I sing?

Yawning while singing can happen because singing requires deep breathing, which can trigger the body's yawning reflex.


Why is your baby mouse opening his mouth so much?

Possibly for yawning as wants to sleep :)


Can yawning make you sick?

Yawning too much can prove to be fatal. My aunt didn't sleep for a week, kept yawning, and died. You're in trouble


What is the benefit in yawning?

Yawning is actually putting out (?) the stress in your body, so it is a good thang...


Why a man got yawning by seeing a person who yawns?

Yawning is associated with tiredness, stress, overwork, lack of stimulation, or boredom. Yawning can also be a powerful non-verbal message with several possible meanings, depending on the circumstances. In humans, yawning has an infectious quality, i.e. seeing a person yawning, or just thinking of yawning, can trigger yawning which is a typical example of positive feedback. Infectious yawning has also been noted in chimpanzees. The primary reason behind yawning is to control brain temperature. It cools off your brain, much like a fan cools off the inside of a computer. The claim that yawning is caused by lack of oxygen has not been substantiated scientifically. Some claim that yawning is not caused by lack of oxygen, for the reason that yawning allegedly reduces oxygen intake compared to normal respiration. Another speculated reason for yawning is nervousness and is also claimed to help increase the state of alertness of a person-paratroopers have been noted to yawn in the moments before they exit the aircraft.


Why is yawning not contagious to people with autism?

Yawning is not a disease.


Is yawning rude?

if rude and yawning are defined as such i don't see any reason why the act of yawning be rude. yawning is physiologic. would urinating and defecating be rude also?


Suggestions on how to stop yawning so much?

get more/better sleep to suppress a yawn, when you feel it coming, take a few deep breaths through your nose.


What is the spelling of the yawning sound?

The spelling of the yawning sound is "yawn."


Why do I yawn when I read?

Yawning while reading may be due to a lack of oxygen or stimulation in the brain, as reading can be a passive activity that does not require much physical effort. Yawning can also be a response to fatigue or boredom.


When one student is yawning why do all the others start yawning?

The cause in not know.


Why do people yawn?

As we all know, when we get tiered we can become sleepy, groggy, grouchy, and even down right mean! But did you know that yawning is not just a symptom of being tired, but could be a sign of something much much more serious... yawning is a symptom of a lack of oxygen to your body. That’s right, a lack of oxygen can result in low 02 levels in your blood and that can cause a variety of problems which include sleepiness and yawning not to mention other more serious conditions in the respiratory system. So if you happen to have a pulse-ox (the little thingy that they put on your finger at the hospital), try using it the next time you find yourself yawning in excess.Musicdad.