why do we yawn?????
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when we are yawned so our mind was freshed and yawning is important to us or our brain
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People yawn when they’re tired, but also when they wake from a night’s sleep. We yawn when we’re bored, but also when we’re anxious, or hungry, or about to start a new activity. Yawning is contagious — we often start yawning the minute someone near us starts.
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