Hypercapnia = increase level of carbon dioxide (CO2) in blood More CO2 = more stimulation of vagus nerve and depression of sympathetic neurons = you can fall asleep faster.
How do you get more CO2 without taping a paper bag to your mouth at night? It’s easy… follow the diagram! Inhale for 4 Hold for 6 Exhale for 6 Hold for 6 Repeat! Having more time spent not-inhaling allows you to build up CO2 safely!
Xalos@Turnoxyde says, “Box breathing is a very effective tool! Put it into your tool box of consciousness and create a better reality for yourself and others.”