A:AnswerYou'd be better off using with a phone and a supported app on the Polar website. They list a bunch of apps, but even with ones I recognize, the apps on the watch are very rudimentary. If they do, you'd have to research it.
A:AnswerYes it does. it auto tracks your sleep under the sleep function. It tells you how long you slept, and how much of it was restless and how much was motionless