When watching a dog sleep, there's nothing more adorable when their paws twitch as they mimic running or they let out a tiny bark.
As owners, we would like to think they're dreaming about snugging up with us on the sofa or running in an open filed surrounded by their four-legged friends.
To answer everybody's questions, Dr Deirdre Barrett, a clinical and evolutionary psychologist at Harvard Medical School, has released a study about what dogs dream about.
