A Glimpse Inside the Mind of Dreaming Animals

If you’ve ever watched dogs or cats sleep, you’ve probably wondered if they’re dreaming. Was that ear twitch or snuffling sound just a reflex? Or is Fluffy dreaming of the hunt? Maybe the sound of the can opener? Since we can’t ask, we may never know for sure. But there are good reasons to think non-human animals dream, at least according to a certain definition of dreaming.