Someone posted in the /r/Apple subreddit an interesting story how his Apple Watch saved his life. It appears that the hear rate notification warned him right before things went "nuts". I was laying in bed, enjoying some TV and homemade brisket, when my Apple Watch told me that my heart rate was weird af, and then, told me my heart rate was stupid fast (thank you heart rate alerts) Called ER, when they arrived, they found me in serious trouble. Body went into shock, got rushed to the hospital in a stretcher, and got taken into trauma. I felt totally fine before everything happened,...