6 Simple Ways to Improve Your HRV for Better Sleep, Recovery, and Stress Control
Cold water on your face in the morningSplashing cold water on your face, or finishing your shower with 30 seconds of cold, activates the diving reflex, a hardwired autonomic response that immediately slows heart rate and boosts vagal tone. A 2018 study published in Frontiers in Physiology found that cold…
Times Life ·