SFH #153: Heart Rate Variability

My current preferred method to measure health 💫

Heart rate variability is a measure of the variation in time between each heartbeat. This variation, called HRV for short, is regulated by our autonomic nervous system. Our ANS (more three-letter acronym love) governs our heart rate, blood pressure, breathing, and digestion and subdivides into the sympathetic and parasympathetic nervous systems, coined …