what yawns are
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Yawn A yawn is a reflex consisting of the simultaneous inhalation of air and the stretching of the eardrums, followed by an exhalation of breath. Yawning (oscitation) most often occurs in adults immediately before and after sleep, during tedious activities and as a result of its contagious quality.
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- This section shows a full list of all the diseases and conditions listed as a possible cause of Excessive yawning in our database from various sources. 1  Aortic dissection. 2  Excessive daytime sleepiness. 3  Heart attack.  Sleep apnea.
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Yawning â Physiology or Psychology? First, I think it’s obvious that all of us (dogs included) yawn when tired, even if we don’t yet know the reason why. If your dog has had a long day or just awoke, is drowsy or fatigued, and yawns, you don’t have to look much further for an explanation. But here’s a different scenario where being tired isn’t to blame.
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yawn (jɔːn) vb. 1. (Physiology) (intr) to open the mouth wide and take in air deeply, often as in involuntary reaction to tiredness, sleepiness, or boredom. 2. (tr) to express or utter while yawning. 3. (intr) to be open wide as if threatening to engulf (someone or something): the mine shaft yawned below.
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Yawning - excessive Excessive yawning. Yawning involves opening the mouth involuntarily while taking a long, deep breath of air. This is usually done as a result of drowsiness or weariness. Excessive yawning is yawning that happens more often than expected, even if drowsiness or weariness is present.
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Convex Example: A polygon (which is straight-sided) is convex when there are NO dents or indentations in it (no internal angle is greater than 180°) See: Concave Polygons
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8 reasons for excessive yawning you probably didnât know about Fatigue or drowsiness: When you are tired or sleepy, it is common to yawn. While the exact mechanism of why we do this is yet unknown, yawning when you are tired is a fairly common phenomenon and quite normal. Here are reasons why you shouldn’t ignore constant fatigue.
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What Causes Excessive Yawning? Yawning is a mostly involuntary process of opening the mouth and breathing in deeply, filling the lungs with air. It is a very natural response to being tired. In fact, yawning is usually triggered by sleepiness or fatigue. Some yawns are short, and some...
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- It is believed that contagious yawning may have something to do with social communication. In addition, a study published in the Applied Journal of Basic Medical Research suggests that yawning may help cool the temperature of the brain. Excessive yawning is yawning that occurs more than once per minute. Although excessive yawning is usually attributed to being sleepy or bored, it may be a symptom of an underlying medical problem. Certain conditions can cause a vasovagal reaction, which results in excessive yawning.
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Is excessive yawning a health problem? Answers. Relevance. Rating Newest Oldest. Best Answer: Yawning is a normal response to fatigue and drowsiness, but excessive yawning can be caused by a vasovagal reaction. This reaction is caused by the action of a nerve, called the vagus nerve, on the blood vessels.It may indicate a heart problem.Source(s): http://www.nlm.nih.gov/medlineplus/ency/...nswers. Relevance. Rating Newest Oldest. Best Answer: Yawning is a normal response to fatigue and drowsiness, but excessive yawning can be caused by a vasovagal reaction. This reaction is caused by the action of a nerve, called the vagus nerve, on the blood vessels.
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Yawning - excessive Yawning - excessive. Yawning involves opening the mouth involuntarily while taking a long, deep breath of air. This is most often done when you are tired or sleepy. Excessive yawning that happens more often than expected, even if drowsiness or weariness is present is considered excessive yawning.
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Causes of Yawning Causes of Yawning: The following medical conditions are some of the possible causes of Yawning. There are likely to be other possible causes, so ask your doctor about your symptoms.he following drugs, medications, substances or toxins may possibly cause Yawning as a side effect. [ See detailed list of 5 drug side effect causes of Yawning 1  ]. Venlafaxine.
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Facts About Yawning: Why We Do It, Why Itâs Contagious And More We all do it, and we all know it has at least something to do with how tired we feel. But unlike sleep apnea or laptops in the bedroom, yawning is an aspect of sleep that researchers haven't quite figured out just yet.That doesn't mean we're totally in the dark when it comes to catching flies.Here are a few of the facts we know for sure when it comes to yawning.ut unlike sleep apnea or laptops in the bedroom, yawning is an aspect of sleep that researchers haven't quite figured out just yet. That doesn't mean we're totally in the dark when it comes to catching flies. Here are a few of the facts we know for sure when it comes to yawning.
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- Most yawning is caused by sleepiness or extreme boredom. A yawning chasm in the ground is a huge, wide gap, and a yawning hole in a movie's plot is the obvious space where some details are missing, making the resulting story seem unlikely and unbelievable.
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Why Am I Always Yawning? 1 If you are suffering from excessive yawning that has no explanation, doesn’t go away with adequate sleep, and is severe enough to affect your day-to-day life, it’s time to see a doctor.  You might also experience yawning with excessive sleepiness. If this happens frequently, your doctor needs to know.
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10 Causes of Excessive Yawning. Might Be Medical Problems! Some yawns may result from blood stagnation in the brain. One of the causes of cerebral infarction is a blockage in the brain blood vessels. When this occurs, the flow of blood gets blocked, resulting in the death of tissues in the brain due to decreased amount of oxygen.
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- Yawning is a mostly involuntary process and is usually triggered by sleepiness or fatigue. It is a very natural response to being tired. Yawning is the involuntary process of opening the mouth and inhaling deeply, filling the lungs with air.Some yawns are short, and some last for several seconds before an open-mouthed exhale. Watery eyes, tears, runny rose, stretching, or audible sighs may accompany yawning.t is a very natural response to being tired. Yawning is the involuntary process of opening the mouth and inhaling deeply, filling the lungs with air. Some yawns are short, and some last for several seconds before an open-mouthed exhale. Watery eyes, tears, runny rose, stretching, or audible sighs may accompany yawning.
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yawning yawning (yan′ing) yawning An involuntary and often infectious act of slow, deep inspiration accompanied by an almost uncontrollable desire to open the mouth widely.
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Follow BBC Future It could just be that they are practising for life outside, or perhaps the yawn plays a more active role in guiding the body’s growth – by helping to develop articulation in the jaws joints, for instance, or by encouraging the growth of the lungs, says Provine.
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A Yawning Problem Yawning, in general, is a medical mystery. Scientists once chalked it up to your body needing more oxygen. As you take normal, shallow breaths, many of the lungs' air sacs, or alveoli, go unused and partially collapse.awning, in general, is a medical mystery. Scientists once chalked it up to your body needing more oxygen. As you take normal, shallow breaths, many of the lungs' air sacs, or alveoli, go unused and partially collapse.
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Yay, Yea, Yeah, or Yes? Two of my friends (Trent Armstrong, the former Modern Manners Guy, and Hyatt Bass, author of the novel The Embers) asked about the word yay and why people so often seem to incorrectly use yea or yeah instead. Yay is an exclamation that shows feelings such as excitement, joy, happiness, triumph, and approval.
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Bench, Squat and Deadlift: How Often? Fiona's max bench jumped from an unreal 170 kilos (375 pounds) to a wicked 180 kilos (397) in just two months. She competes in the 63-kilo class and weighs in at 64 kilos (142 pounds). Her routine consists of five weekly bench sessions with 50-80% of 1 RM poundages. Every three weeks, she does a very heavy max-load training session. Coaches and lifters who train with high frequency know this method is the holy grail of strength gains.
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Dehydration Of the 18 causes of Yawning that we have listed, we have the following prevalence/incidence information: 1  1 causes are very common diseases. 2  1 causes are common diseases. 3  0 causes are uncommon diseases.  0 causes are rare 1  diseases. 0 causes are very rare diseases.  18 causes have no prevalence information.
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Why Is Yawning Contagious? It means that yawning might act to draw brain-soothing ambient air in through the nose and mouth. So far, scientists have observed “contagious yawning” in chimpanzees, humans, baboons, bonobos, wolves, and, to a certain extent, dogs and budgies.
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Yawn Yawning redirects here. For the fish species, see Yawning (fish) . A yawn is a reflex consisting of the simultaneous inhalation of air and the stretching of the eardrums, followed by an exhalation of breath.Yawning (oscitation) most often occurs in adults immediately before and after sleep, during tedious activities and as a result of its contagious quality. yawn is a reflex consisting of the simultaneous inhalation of air and the stretching of the eardrums, followed by an exhalation of breath. Yawning (oscitation) most often occurs in adults immediately before and after sleep, during tedious activities and as a result of its contagious quality.
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Don't Know What Causes a Yawn? See What These Theories Have to Say Out of the various theories regarding what causes a yawn, the most important ones are given below. A yawn is contagious, in the sense that it can easily spread to the person who is observing the other person yawning.ut of the various theories regarding what causes a yawn, the most important ones are given below. A yawn is contagious, in the sense that it can easily spread to the person who is observing the other person yawning.