You can track your sleep on an Apple Watch using the built-in Sleep app, or a variety of third-party apps. To use the Sleep app on your Apple Watch, you'll need to update it to watchOS 7, and have an Apple Watch Series 3 or newer. There are also several third-party sleep tracking apps, like SleepWatch and AutoSleep, that offer more advanced sleep metrics. Visit Business Insider's Tech Reference library for more stories. When you're not getting a good night's sleep, it's hard to be productive, balance your emotions, and stay healthy. We all know the importance of eating right and exercising, but sleep is just as key to promoting a healthy and happy life. Just as you track your steps or count your calories, you should be keeping tabs on your sleep routine. Luckily, ...read more...