Cat Massagers: Do They Work, and Can They Really Help Your Kitty? Cat purrs are more than just comforting sounds. Research shows they may actually help heal the body. Scientists have found that when cats purr, the vibration of their sound falls between 25 There's something soothing about sitting with a purring cat, but do you know the reasons behind that distinctive vibration? It's commonly thought that cats purr when they're happy and content. While Cats Enjoying a Massage on the Washing Machine TikTok Scientists say a cat's purr may do more than just sound comforting Studies suggest the vibrations fall between 25 and 150 Hz, a range linked to relaxation and stress reduction. Some researchers