Mental Illness

Understanding Heart Rate Variability and Its Impact on Well-being

Heart rate variability (HRV) measures the subtle fluctuations in the time between heartbeats, reflecting the nervous system's flexibility in responding to stress and recovery. A higher HRV is linked to enhanced emotional regulation, resilience, and overall well-being. This article explores the science behind HRV, its connection to the vagus nerve, and practical positive psychology techniques, such as proper sleep, controlled breathing, regular exercise, social interaction, and mindfulness, that can help improve it. It also discusses the role of wearable devices in tracking HRV and offers insights into interpreting this vital physiological signal for better mental health.