The [Apple Watch](https://appleinsider.com/inside/apple-watch "Apple Watch") has helped save one owner's life, by alerting them to a racing pulse following a nap that led to a diagnosis of severe internal bleeding.

Apple's wearables include a number of different alerts to help users monitor their health, including some relating to pulse rate. According to a Reddit post, one lucky wearer was helped from a potentially fatal situation by one such alert.