10 Shocking Facts About Dogs That You Haven’t Known Before

4. Dogs only sleep belly-up in places they feel safe, stable and comfortable.

dog, sleeping, back, happy
Image: Wikimedia

Sleeping belly-up is a behavior only exhibited by domesticated pets. Studies show that dogs only take the posture (which makes them potentially exposed to threats), if they feel safe around someone. Although not all dogs show this characteristic, experts believe that it is more of a personal choice, just like humans.

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