Tohei Sensei claimed that regular practice, especially 15 minutes before sleep, could lead to increased vigor and health. Ki Principles by Tohei Koichi Sensei - Boulder Ki Aikido
The breath should make a distinct but barely audible sound (often described as an "a" sound rather than "h" to better engage the diaphragm). Ki Breathing by Koichi Tohei Sensei
Maintain purpose and control throughout the breath. Tohei Sensei claimed that regular practice, especially 15
After inhaling, settle the mind at the "One Point" in the lower abdomen. Benefits of Daily Practice Tohei Sensei claimed that regular practice
The practice is designed as "whole body breathing" where the mind leads the body.