Get to know yourself better with the vívoactive 5, your ultimate coach for crushing your goals. This GPS smartwatch features a bright color display and up to 11 days of battery life, packed with essential health and fitness features to help you better understand your body. Monitor your Body Battery energy levels to know when your body is charged up and ready for activity or drained and needing to recharge with restful sleep. Get even more details and personal insights on how sleep, naps, daily activities and high stress specifically impact your energy. Get personalized coaching on how much sleep you need and how you can improve it. You can even track different sleep stages and naps — and see several key metrics over your sleep period, such as HRV status to better understand your health. Track every nap and see how they benefit your body and what the ideal time and duration should be. Track your breathing variations throughout the night using heart rate variability data. The vívoactive 5 constantly measures your heart rate, so you can stay in the know all day and night.