Do Cats Like Head Massages? The Interesting Answer Catster Cat's purrs are more than just a sign of contentmentthey may actually promote healing in both cats and humans. Research suggests that the vibration frequency of a cat's purr, typically between 25 Scientific research has confirmed that the vibrations produced by a cat's purr, ranging between 25 and 150 Hertz, can accelerate bone healing and improve tissue repair. Cats purr naturally during rest, stress, Why Cats Prefer Vibrating Massagers: Exploring Feline Behavior FAQcats.com Internet Convinced Cats Are 'Evolving' As One Gives Itself a Head Massage Newsweek