1. Practice 3-in, 7-out Breathwork
Breathe in for three seconds (with a physiological sniff at the end) and exhale slowly through pursed lips for seven seconds, aiming for six breaths per minute. This technique amplifies the vagal effect on heart rate variability, potentially slowing resting heart rate and reducing inflammation.
2. Incorporate Cold Showers Regularly
After a regular hot shower, turn the water to full cold and step in for 1-3 minutes, 2-3 times a week, starting face first. This acute cold exposure triggers an anti-inflammatory fight-or-flight response and, as you adapt, increases vagal tone to slow heart rate.
3. Stimulate Diving Reflex with Cold Water
To quickly stimulate the vagus nerve and slow heart rate, splash cold water on your face or submerge your face in a bowl of cold water. This activates the trigeminal nerve and the diving reflex, which can provide anti-anxiety benefits.
4. Engage in Regular Aerobic Exercise
Consistent aerobic exercise, combined with a healthy diet and weight management, is strongly associated with a lower resting heart rate. This indicates higher vagal nerve activity and contributes to overall health, longevity, and delayed onset of inflammatory diseases.
5. Meditate Consistently
Regular meditation practices, even those not consciously manipulating breath, inevitably modulate breathing patterns and activate brain regions linked to vagus nerve stimulation. This contributes to a healthy lifestyle and can positively impact the nervous system.