ADVANCED SLEEP COACHING: Manage your overall sleep quality with an advanced sleep tracker that detects and analyzes sleep stages while you rest; Plus, Advanced Sleep Coaching helps you develop better sleep habits by analyzing your sleep patterns. BODY COMPOSITION ANALYSIS (BIA): Galaxy Watch5 provides body composition data right on your wrist; On your own schedule, you can now get readings on body fat, skeletal muscle, body water, basal metabolic rate and Body Mass Index (BMI). IMPROVED SENSOR ACCURACY: Stay up to date on your wellness; Get an accurate heart rate thanks to an improved, curved SAMSUNG BioActive Sensor that gets closer to your skin. AUTO WORKOUT TRACKING: Make the most of every adventure with Auto Workout Tracking from running to rowing to swimming automatically in just minutes, and manually tracking more than 90 exercises, including complex activities like HIIT. IMPROVED BATTERY & GALAXY CONNECTED EXPERIENCE: Meet the watch that goes as long as you do; Galaxy Watch5’s improved battery keeps up with your busiest day. Do more with synced Galaxy devices that work in perfect harmony. SAPPHIRE CRYSTAL GLASS: Galaxy Watch5 can stand the test of the hardest days; Its sapphire crystal glass face is 1.6x stronger, resisting the problems that come with life’s daily routines. ENHANCED GPS: Get out there; Explore the great outdoors; Now you can wander all you want and still know where you are; Galaxy Watch5 features enhanced GPS with voice navigation right on your wrist.