The latest Apple Watches now boast a sleep score, which gives you a number on a scale of 1 to 100 for how well you slept. Where to find the sleep scoreYou can view the sleep score on your iPhone or on your Apple Watch. On the iPhone, the sleep score gets its own card in the Apple Health app. You May Also LikeMany devices can give you an Apple sleep score, not just the newest Apple WatchThe sleep score is a data analysis feature that doesn’t require specific Apple Watch hardware, and Apple has said that Apple Watches as old as Series 6 will get it . How sleep scores are calculatedApple’s sleep score comes with a breakdown of where your 100 potential points come from.