Wim Hof Breathing Technique:
1. Inhale deeply and exhale about half-way for 30 breaths
2. On last exhale push out all air and hold breath for as long as possible
3. Inhale and hold for 15 seconds
4. Relax
For more cool meditation techniques check out “The Awakened Ape: A Biohacker’s Guide to Evolutionary Fitness, Natural Ecstasy and Stress-Free Living”