The morning coffee. Yawn.

It’s Monday morning, so we are all about yawning here. And that Cee-Lo song.

But before we sing and swear, a look at theories on why we yawn.

We all know yawning is contagious — but not for everybody. The very young and autistic do not “catch” yawns.

However, dogs do.

Like that? You may like this.

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