Box Breathing for Stress Relief (4-4-4-4) Enjoy this calming box breathing exercise. The rhythm Inhale 4 seconds Hold 4 seconds Exhale 4 seconds Hold 4 seconds Should you breathe through your nose or mouth? Go with what feels comfortable and relaxing to you, but here's what many people find helpful: - Breathe in softly through your nose - Breathe out through your mouth, like you're softly blowing on hot food to cool it down - Or simply breathe in and out through your nose if that feels better fo