Vishama Vritti (Uneven Ratio Breathing)
Vishama Vritti is a traditional yogic breathing practice that utilizes unequal ratios of inhalation, retention, and exhalation to modulate the autonomic nervous system. By intentionally extending the exhalation phase relative to the inhalation, it rapidly increases vagal tone and promotes deep physical relaxation.
- 1Find a comfortable seated or lying position, ensuring your spine is straight to allow for optimal diaphragmatic excursion.
- 2Inhale quietly and deeply through your nose for a count of 4 seconds, expanding the lower abdomen.
- 3Hold your breath gently at the top of the inhalation for a count of 2 seconds.
- 4Exhale slowly and completely through your nose for a prolonged count of 8 seconds, feeling the heart rate naturally decelerate.
- 5Pause and leave the lungs empty for a count of 2 seconds before beginning the next cycle.
- 6Repeat this 4:2:8:2 uneven cycle for 5 minutes, allowing your mind to anchor entirely to the counting ratio.
By intentionally utilizing an asymmetrical respiratory rhythm—specifically an extended exhalation—Vishama Vritti alters intrathoracic pressure and stimulates arterial baroreceptors. This mechanical shift enhances vagal efferent activity, leading to a reduction in heart rate via respiratory sinus arrhythmia (RSA). Furthermore, the cognitive demand of maintaining an uneven, specific breath ratio attenuates default mode network (DMN) hyperactivity, effectively reducing psychological rumination while optimizing autonomic balance and increasing heart rate variability (HRV).
Treats Symptoms
Target Metrics
Individuals with COPD, asthma, or compromised lung capacity should avoid forcing the extended exhalation. Those with cardiovascular disease, uncontrolled hypertension, or who are pregnant should omit the breath retention (kumbhaka) phases to prevent unsafe spikes in intrathoracic pressure.
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