yes - I think cats get depressed - I had a cat who was very attached to one of my dogs and he was bereft for about a month after the dog (who was very old for a dog) died. I had gotten the cat as a kitten about a month after getting the puppy and they loved each other. But cats live about twice as long as my dog breed so -he has another dog now that he likes but it isn't the same. Can you let the cat in the bedroom?