Which dog breeds suffer restlessness more? Written by Russel in A Which dog breeds suffer restlessness more? Some dog breeds are more likely to suffer from anxiety than others. n others. Breeds that are vulnerable include; German Shepherd Labrador retriever Australian Shepherd Greyhound Cocker spaniel King Charles Spaniel Bichon Frise Russel A pet owner who loves to share useful facts and information about animals. For now, I write mostly about dogs and cats.