Delta Wave Breathing
A highly down-regulating technique that slows the respiratory rate to mimic the physiological state of deep sleep. It promotes parasympathetic dominance and helps entrain brainwaves toward the restorative delta frequency.
- 1Lie down in a comfortable position, ideally in bed, with lights dimmed or off.
- 2Inhale slowly and deeply through the nose for 5 seconds, expanding the lower abdomen.
- 3Pause briefly for 2 seconds to allow for optimal gas exchange.
- 4Exhale smoothly and completely through the nose for 8 seconds, releasing all physical tension.
- 5Pause at the bottom of the breath for 2 seconds before initiating the next inhale.
- 6Repeat this cycle for 10 minutes, focusing on the sensation of sinking deeper into the mattress with each exhale.
By reducing the respiratory rate to approximately 3-4 breaths per minute, this technique maximizes vagal tone and significantly lowers heart rate and blood pressure. The prolonged exhalation phase stimulates the parasympathetic nervous system via the vagus nerve, reducing cortisol and adrenaline levels, which facilitates the brain's transition from alpha and theta states into the slow-wave delta frequencies characteristic of deep, restorative NREM sleep.
Treats Symptoms
Target Metrics
Generally safe, but individuals with severe hypotension or bradycardia should practice with caution.
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