Experts explain why yawning is contagious – Lifestyle
Yawning is one of the typical signs of fatigue, Sports.kz reports with reference to Championat.com.
However, sometimes we also yawn because someone else is yawning, even though we ourselves are not tired. Experts explained why this happens.
Scientists haven't pinpointed the exact purpose of yawning, but some explanatory models suggest that the action would increase oxygen supply to the brain and thereby make you wake up. However, other theories suggest that yawning lowers the temperature of the brain and thus cools it down.
According to models of social biology, collective yawning should be caused by empathy. So-called mirror neurons in the brain cause us to imitate another person's yawn. Research has also shown that the better we know and like the person who yawns, the more…
