4-7-8 Breathing Exercise (Guided). The 4-7-8 breathing technique is a simple yet powerful way to calm your mind and body. It works by extending your exhale and holding your breath briefly, which can help reduce stress, slow your heart rate, and prepare you for restful sleep. How to Practice, sit or lie down comfortably, inhale gently through your nose for 4 seconds, hold your breath for 7 seconds, Exhale slowly through your mouth for 8 seconds. #breathingforanxiety #StressRelief #breathing #brea