Eighteen Extraordinary Tales of Heroic Pets Who Miraculously Saved Their Owners in Unthinkable Ways
The Rabbit who Detected Diabetic Coma

We move on to the story of a rabbit named Dory. Dory's owner, Simon, was diabetic. One night, Dory began thumping loudly on Simon's chest. This woke him up, and he realized he was in the early stages of a diabetic coma. Dory's actions saved Simon's life.