Plain answers about Whoop stress scores and the b-score. brainful — the b-score app for Whoop straps.https://learn.brainful.co/https://learn.brainful.co/what-whoop-stress-score-measures/https://learn.brainful.co/what-whoop-stress-score-measures/Cardiac arousal: heart rate rising while heart-rate variability falls. It is a real physiological signal, read continuously — and it is content-blind. It registers that your body responded to something; it cannot see what the something was.Fri, 07 Aug 2026 00:00:00 GMThttps://learn.brainful.co/whoop-apple-health-sync/https://learn.brainful.co/whoop-apple-health-sync/Workouts, sleep, and once-daily summary values — resting heart rate, respiratory rate, blood oxygen. What it does not sync: continuous heart rate (Apple Health receives one heart-rate value per day) and HRV, which is excluded entirely.Fri, 07 Aug 2026 00:00:00 GMThttps://learn.brainful.co/whoop-stress-high-feel-fine/https://learn.brainful.co/whoop-stress-high-feel-fine/Because the score doesn't measure how you feel. It measures autonomic arousal — heart rate up, heart-rate variability down — and for anyone whose days are demanding by choice, that signal sits high all day whether the day was miserable or the best one all month.Fri, 07 Aug 2026 00:00:00 GMT