Tracking sleep is an integral component of modern wearable technology. Fitness trackers have long offered step counters, heart rate metrics, and sleep monitoring features that make analyzing the otherwise-mundane aspects of your day exhilarating and fun. With smartwatches comes an extra wrinkle that builds connectivity and enhanced functionality into the wrist-worn device. Not only are you able to monitor sleep, steps, and other health metrics, many smartwatches are adept at offering push notifications from your phone, placing calls, and playing music.
