4-7-8 Breathing

What is the 4-7-8 technique?

Developed by Dr. Andrew Weil, the 4-7-8 breathing method is based on pranayama yoga techniques. It acts as a natural tranquilizer for the nervous system by extending the exhale phase, which activates the parasympathetic "rest and digest" response.

The extended exhale (8 seconds) is the key — it forces you to slow your heart rate and drop into a calmer state. With regular practice, the effect becomes stronger and works faster.

Tip: Keep the tip of your tongue lightly touching the ridge just behind your upper front teeth throughout the exercise. Exhale through your mouth around your tongue.

Related techniques

4-7-8 breathing sits in a wider family of slow-exhale practices, all of which work through the same parasympathetic and vagal pathways:

• Diaphragmatic breathing — the foundation skill behind every other breathing technique on this site. Practiced daily, it raises your baseline vagal tone so techniques like 4-7-8 work faster.
• Box breathing — equal-ratio 4-4-4-4 pattern used by Navy SEALs for focus under pressure. A good alternative when a long 8-second exhale feels uncomfortable.
• Vagus nerve exercises — broader collection of non-breathing techniques (humming, gargling, cold water on the face, slow singing) that target the same nervous system 4-7-8 engages.