Breather: HRV & Stress

Breather gives you a little space to notice your body's rhythms. Explore heart rate variability (HRV SDNN), resting heart rate and heart rate from Apple Health, with the time of each reading. No ideal score to chase. COMPARE WITH YOUR OWN USUAL PATTERN A personal HRV reference uses valid readings from the previous 28 days: at least 14 readings across 7 different historical days. Each day's median has equal weight. The daily overview compares today's median only when there are at least 2 readings today and the latest is no more than 6 hours old. Insufficient or outdated evidence is clearly labeled. TRENDS WITHOUT INVENTED DATA Browse daily, weekly and monthly trends and individual readings. Missing values are not filled with zero or joined across gaps. Heart rate shows up to 200 accessible readings from the latest 24 hours, not an all-day average. MAKE ROOM FOR YOUR OWN EXPERIENCE Keep…