Breathing Exercise to Increase HRV | Inhale 4.4 sec, Exhale 6.6 sec Try this simple breathing exercise to boost your heart rate variability (HRV), calm your nervous system, and restore balance. By gently slowing your breath and extending your exhale, you encourage relaxation and resilience. 💜 Inhale takes 40% of the breath cycle, exhale takes 60%. Inhale for 4.4 seconds Exhale for 6.6 seconds Science-Backed Benefits: - Longer exhales stimulate the vagus nerve, lowering stress hormones. - Increa