Yawns Proven Contagious

Self-aware or empathetic people are more likely to catch
the yawns, say US researchers.
Studies have shown
that 40-60% of people who watch videos or hear about yawning end up
joining in.

Contagious yawning may have helped our ancestors to coordinate times
of activity and rest. "It’s important that all group members be
ready to do the same thing at the same time."

Excuse me while I take a nap.from RedNova

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One Response to Yawns Proven Contagious

  1. Anonymous says:

    does not answer question

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