Yawning is a common reflex in which you open your jaw wide, take a deep breath, and then quickly breathe out. It lasts about 4-7 seconds and often happens when you're waking up or falling asleep. Yawning begins in the womb as early as the 11th week of pregnancy and continues for a lifetime.
Mar 15, 2024
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Does yawning indicate a lack of oxygen?
For several years, the main theory was that yawning brings in more oxygen — mainly for your brain. More recently, researchers discarded this theory, as studies revealed that a controlled lack of oxygen doesn't result in more yawning than usual.
Oct 16, 2023
What vitamin deficiency causes excessive yawning?
However, there are certain vitamin deficiencies that cause fatigue, which may lead to yawning. Being low in B12 may cause B12-deficiency anemia, which may cause fatigue. Iron deficiency may also cause fatigue and lead to yawning.
When should I be worried about yawning?
The Bottom Line. In most people yawning is a normal reflex, although poorly understood. However, if you experience excessive yawning for no apparent reason, it is wise to visit your physician and make sure there is nothing going on that is abnormal.
What disease is yawning a symptom of?
Excessive yawning may mean that you are tired, drowsy, or fatigued. However, it can also be a sign of a medical condition, such as sleep apnea, narcolepsy, or a reaction to a medication. If you find you are yawning excessively, it may be best to schedule an appointment with a doctor to determine the cause.
Jul 5, 2022
Yawn during long meetings? Turn off the snooze to catch a little extra shut-eye? These may be symptoms of a sleep disorder. Here you'll find additional ...
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Oct 16, 2023 · Common triggers of yawning include tiredness, boredom, waking up and stress. Seeing or hearing other people yawn can also cause you to yawn.
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The most common medical problems that are associated with increased yawning are sleep deprivation, insomnia, sleep apnea, narcolepsy, and many medicines that ...
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For informational purposes only. Consult your local medical authority for advice.
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For informational purposes only. Consult your local medical authority for advice.
Jul 5, 2022 · Excessive yawning may mean that you are tired, drowsy, or fatigued. However, it can also be a sign of a medical condition, such as sleep apnea, ...
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Sleep disorders include a range of problems -- from insomnia to narcolepsy -- and affect millions of Americans. Learn more about sleep disorders.
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Nov 8, 2023 · People with sleep disorders like insomnia or obstructive sleep apnea (OSA) are also more likely to experience excessive yawning.
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Apr 28, 2023 · Have you ever been dozing off or waking up and unable to move or speak? The experts at WebMD explain the phenomenon of sleep paralysis.
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