If the brain's temperature gets too far outside of the norm, inhaling air can help cool it down. Another reason you may yawn is because the body wants to wake itself up. The motion helps stretch the lungs and their tissues, and it allows the body to flex its muscles and joints.
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Jul 5, 2022 · Although excessive yawning is usually attributed to being sleepy or bored, it may be a symptom of an underlying medical problem.
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Mar 15, 2024 · Yawning causes you to breathe in deeply, which increases blood flow in the veins in your brain and allows cooler air in. Some other studies ...
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Yawing clearly is associated with sleepiness and boredom. However, almost paradoxically, it is theorized that yawning is not a sign of sleepiness or boredom, ...
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Nov 8, 2023 · Excessive yawning may be a sign of underlying health conditions, so consult with your doctor about any feelings of sleepiness.
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Yawning may be a function of breathing. Yawns may be more likely when the blood needs oxygen. A yawn causes a big intake of air and a faster heartbeat, which ...
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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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Another theory is that we yawn whenever the state of our alertness changes, so we yawn when we are tired, when we awaken and at any other time when our alert ...
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