... Product Hunt! I'm Evans, and I made PurrPal because I missed my cat. PurrPal - Your Feline Sleep Companion The Problem I travel a lot for work. My cat Shiyi ( ) stays home with family. The hardest part isn't the flights or the time zones it's sleeping without her purring beside me. The Science Cat purrs vibrate at 25-150 Hz, which studies show can: - Reduce stress and anxiety - Lower blood pressure - Help you fall asleep faster - Promote ...