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    Why Do We Yawn?

    Why Do We Yawn

    Yawning, not just humans, but a lot of animals as well do it. In essence, we yawn to take in a big breath of air into our lungs. Most often, we yawn when we are tired or sleepy by the end of the day, or as soon as we wake up in the morning. For years now, yawning has been associated with drowsiness and the body’s signal to fall asleep. However, there is a lot more to yawning than merely being an indicator of sleep. In this article, we focus on why we yawn and the extent of its association to sleep. What Happens When We Yawn? Remember that yawning has far more reasons than just sleepiness. Some reasons behind yawning are: Yawning helps regulate…