How excessive yawning could be a sign of impending heart attack, others
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Loading... - Sarah Williams
- 24 Oct 2022
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While someone who yawns may be tired, the heart rate quickly rises during a yawn. This increased heart rate suggests yawning can be a sign of alertness rather than sluggishness.
What is yawning?
A yawn is an involuntary reflex where the mouth is opened wide, and the lungs take in a lot of air. The air is then exhaled slowly. During this time, the eardrums stretch, and the eyes may also close tight, causing them to water.
No thought or action has to be taken to produce a yawn, and the process is similar for everyone. Yawning commonly occurs either before or after sleep, which is why it is usually considered a sign of being tired. Yawning also occurs frequently in people who are doing boring or tedious things.
There is also a social aspect to yawning. Yawning appears to be contagious among humans and other animals, and the contagiousness of a yawn is well documented but hardly understood.
The connection between yawning and heart attack
Commonly yawning is a sign of sleeplessness. But if you keep doing it even on days when you have a sound sleep and are not feeling tired at all, then it can be a symptom of a serious health condition.
Yawning is a mystery in the world of medical science. Several efforts have been made to decode it, but scientists have not gained much success. As per some studies yawning helps to promote blood oxygenation and brain cooling.
It is believed that excessive yawning is related to a vagus nerve, which runs from the bottom of the brain down to the heart and stomach. In some cases, people yawn too much when there is bleeding around the heart. This reflex phenomenon is also linked with stroke. Read More...
