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Blood pressure (BP) isn’t just a number — it’s a trend. The more we can track it over time — day, night, activity, sleep, stress, meals — the better we can understand, prevent, and manage hypertension naturally. In 2025–2026 we’re seeing a major acceleration in wearables that don’t just measure snapshots, but provide insights and trends. This post explains where popular wearables (like Apple Watch) still fall short, where devices like Hilo’s 24/7 cuffless BP monitor excel, an

Heart rate variability (HRV) has become one of the most talked-about health metrics in recent years — especially among people concerned about stress, high blood pressure, and long-term heart health. But what does HRV really tell us? Can your iPhone or Apple Watch measure it reliably? And can improving HRV actually help lower blood pressure? Let’s break down what modern science, wearable technology, and new BreathNow features reveal.