4-7-8 Breathing Method: The 1-Minute Trick to Fall Asleep & Calm Anxiety The 4-7-8 breathing technique is a powerful relaxation method designed to help you de-stress instantly and fall asleep faster. By holding your breath for 7 seconds and exhaling for 8, you create a physiological shift that lowers your heart rate and signals your brain to move from a state of "fight or flight" into deep relaxation. How to do the 4-7-8 breathing method: INHALE: Quietly through your nose for 4 seconds. HOLD: Ho