Dogs and humans have been together for some 30 000 years or thereabouts. We are so intertwined that our evolutionary progression is linked. Apparently, when hunter-gatherers domesticated dogs back in the day, they obviously served as an excellent early-warning system. Dogs are more alert and will detect any incoming danger well before us humans. This is a killer feature and no wonder that we have become good friends over the years. Here’s a cool fact about dogs. Your sleep quality improves if you have a snoring dog nearby.

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