Bring your health into focus
Welcome to a modern health experience built around you. Sync all of your favorite wearables, health apps, and IoT devices together, discover trends, and see how you compare to others. Establish a baseline across all of your vitals, and get a real-time pulse on your health, with continuous monitoring that helps uncover potential issues before they arise.
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Fitness
Sleep
Nutrition
Recovery
Recovery
Energy Reserve: See Your Body's Battery Levels in Real-Time
September 17, 2025
Sonar’s Energy Reserve helps you understand how much usable energy your body has in the tank. Updated continuously throughout the day, Energy Reserve combines data from all of your connected wearables, apps, and other devices to show whether you’re charged and ready to take on strain, or running low and need to prioritize recovery.Think of it as your personal energy meter. A high Energy Reserve means your body is primed to perform. A lower score signals it’s time to recharge, rest, and avoid overextending yourself.Read more
Recovery
Daily Habits for Raising Your Body's Battery
September 16, 2025
Every morning, Sonar gives you a quick snapshot of how prepared your body is to meet the day. Whether you're planning a high output training session or just trying to stay focused through meetings and errands, understanding your physiological signals helps you make smarter decisions. Each metric offers a piece of the story:Read more
Recovery
Stress Score: Tracking & Managing Your Daily Stress
June 13, 2025
Stress is your body’s natural response to physical or mental challenges. While brief surges can sharpen focus, chronic stress can erode health and performance. Sonar’s Stress Score turns real-time readings from your Apple Watch, Garmin, Oura Ring, Fitbit and other connected wearables into an easy to understand metric, updated throughout the day. By comparing your current heart rate variability (HRV) and heart rate (HR) to your personal baselines - and filtering out periods of physical exercise - Sonar helps you recognize the moments, habits, and environments that dial stress up or down.Read more
Recovery
When your heart is racing and stress is rising, just one minute of intentional breathing can bring your body back to calm. Try the Cyclic Sigh (double inhale plus long exhale) for the quickest change, or choose from four other proven drills below. No equipment necessary - and with Sonar, you can monitor your stress levels and see the results for yourself.Read more
Fitness
Load Balance is the relationship between how much training you’re doing in the short term and how well your body has adapted in the long term. It helps you understand whether you're pushing hard enough to make gains—or pushing too hard without enough recovery.By monitoring metrics like Acute Training Load (ATL), Chronic Training Load (CTL), and Training Stress Balance (TSB), you can better time your workouts and recovery to drive performance, avoid injury, and maximize gains.Read more
More to Explore
Energy Reserve: See Your Body's Battery Levels in Real-Time
September 17, 2025
Daily Habits for Raising Your Body's Battery
September 16, 2025
Stress Score: Tracking & Managing Your Daily Stress
June 13, 2025
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