Lovely cat ! I used to have a 100% black cat like this one... Mr Spock was the name. He was adorable.
Now your pregunta : yes, that's normal, it happens when the sleeper is in the paradoxal sleep time. Many animales share the same sleep phases - among them, cats, perros and human beings.
buscar paradoxal sleep on Wikipedia and you'll find interesting facts. It is also referred to as "rapid eye movement sleep".
posted hace más de un año
thanx im just glad shes not spaxing out :) an her names Rooster <3