Surya Bhedana
Coordination: several tools held as one stable structure.
Sequence: Kapalabhati → Fundamental Breathing → Surya Bhedana → Chandra Bhedana → Bhastrika → Ajagari → Full Breathing.

Right in. Retain. Left out.
In the traditional system the right side is associated with pingala nadi, the solar activating channel.
The inhale is always through the right nostril. Retention. The exhale is always through the left. The next cycle starts on the right again.
This is not alternate nostril breathing: the direction does not switch from cycle to cycle.
1 : 4 : 2
One unit of time for the inhale, four for the retention after the inhale, two for the exhale.
Four seconds in, sixteen hold, eight out is an example — not a fixed requirement. The ratio is preserved; the absolute duration is chosen for the person.
Discomfort — yes. Fighting — no.
By the end of the cycle the respiratory drive should be clear while the technique remains intact.
Too hard: the face tightens, shoulders rise, posture is lost, pressure appears in the head, the throat strains, the exhale spasms or the next inhale becomes a sharp grab for air.
Too easy: the practitioner finishes the cycle without noticing the respiratory drive at all.
The working zone is clear discomfort with full control preserved.
A retention is not straining
After the inhale, close both nostrils without trying to exhale into them. Do not create pressure in the nasopharynx or throat.
The ribs stay open. The diaphragm stays in the position left by the inhale. Breathing movement stops. Hold the breath — do not create pressure with the breath.
Straining against closed airways changes intrathoracic pressure in a way closer to a Valsalva manoeuvre. That is a different task.
Technique
- Close the left nostril and inhale calmly through the right.
- Close both nostrils. Keep the ribs open and do not strain.
- Apply jalandhara bandha and mula bandha. Drishti is between the eyebrows.
- Observe the respiratory drive building without fighting it.
- Release the locks and return the head and eyes to neutral.
- Close the right nostril and exhale calmly through the left.
- Begin the next cycle on the right again.
Why this technique sits here in the sequence
Kapalabhati trained rhythm. Fundamental Breathing trained distance. Surya Bhedana adds coordination.
Timing, the fingers, the nostril, the locks, drishti, posture, respiratory drive and the reaction to it must be held together as one stable construction.
Keep the two descriptions separate
Traditional language associates the right side with the solar channel and activation.
Research on lateralized nasal breathing has found differences in oxygen consumption, systolic pressure and cardiovascular responses, but the protocols are not identical to this form of Surya Bhedana.
So we do not simply equate pingala and ida with the sympathetic and parasympathetic nervous systems.
Train the state, not the stopwatch
At a 1:4:2 ratio one cycle can take about half a minute. A minimum working block is about three minutes.
If two minutes are controlled and the third turns into a fight, change the parameters first. Duration never justifies loss of quality.
Required screening
The full contraindication lists belong to the contraindications module. For this technique, the source script marks the following as required exclusions or special restrictions.
The technique is not performed with:
- arterial hypertension or blood-pressure disorders
- heart conditions
- glaucoma or raised intraocular pressure
- epilepsy
- pregnancy
- stroke in the medical history
Separately for jalandhara bandha:
- hyperthyroidism
- cervical-spine pathology
- raised intracranial pressure
If raised intracranial pressure is currently confirmed, the source script states that the technique is not performed and the decision belongs to a physician. If the condition is historical and a physician confirms there are no restrictions, the script describes only an adapted form: no jalandhara, deliberately short retention and no clear-discomfort zone.
Controlled discomfort
We do not need the longest retention or the highest discomfort.
Not comfort. Not a fight. Controlled discomfort.