Give your vet a call to discuss these habit changes, especially if this is occurring with other changes in behavior. (rosadoodle.com)
If your own senior dog or cat is slowing down or has experienced other changes in behavior, please bring him / her to your veterinarian for an evaluation. (vetmed.illinois.edu)
Other changes in behaviors included using allergen - proof mattress covers, washing sheets weekly in hot water, vacuuming with HEPA filters, and removing stuffed animals. (sciencedaily.com)