@kembe - Very True Kembe, here is a link on looking for a responsible breeder. https://bconc.org/finding-breeders-red-flags
There are many scammers out there, don't fall for one.. or a person that is not a responsible breeder.
Don't believe that is sleepwalking or dreams - at first it was cute, but as it went on it became apparent that dog is having some sort of seizure - I'd take the dog and the video to your vet.