Heart rate variability is the time variation between each heartbeat that can show how your body handles stress and recovery.
When you stop exercising, your heart does not immediately come back to its normal resting rate. The heart returns to its normal rhythm at a gradual pace, during a process called heart rate recovery ...
To maintain heart health, Dr. Obuobi recommends 30 minutes of moderate exercise weekly. Monitoring heart rate is essential, and walking is a great option.