If you like watching adorable videos of little puppies being too sleepy to function, then this is the only video you will ever need to watch again for the rest of your life — but there's some science behind this sweet video that you might find surprising!
When you see another human yawn, odds are you'll yawn too. About half of all humans contagiously yawn, and scientists are beginning to believe that the act's ancient and subconscious roots actually stem as a source of empathy for social bonding. There's just something that happened over the years that eventually led to yawning being contagious.
When you yawn because someone else yawned, it's because something deep down in your genetics is telling you that the act of mirroring someone else's yawn will actually increase your relationship with them!
It turns out that humans have been with dogs for so long over the years that yawning around a dog will probably result in them yawning. It's no joke when they say dogs are "man's best friend," our two species are so intertwined that our DNA strands actually evolved in synch over the years we spent with our oldest friends.
Humans and dogs understand each other so closely that our yawns can cross the differences between our species! See if you can watch this sweet little puppy yawning, and let us know if he got you to yawn? I know it worked on me!
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