Nadi Shodhana

Definition

Nadi Shodhana is the foundational pranayama technique of alternate nostril breathing, designed to purify the 72,000 subtle energy channels (nadis) within the body. By alternating breath between the left and right nostrils, it balances the lunar (Ida) and solar (Pingala) channels, opening the central channel (Sushumna) through which Kundalini ascends during spiritual awakening.

Deep Understanding

The human subtle body contains a vast network of nadis — energy channels through which prana circulates. Of these, three are paramount: Ida (left, lunar, cooling, receptive), Pingala (right, solar, heating, active), and Sushumna (central, the channel of liberation). In ordinary consciousness, prana alternates between Ida and Pingala in cycles, corresponding to the observed phenomenon of nasal dominance — at any given time, one nostril is more open than the other.

Nadi Shodhana intervenes in this natural cycle, deliberately balancing the two channels. When Ida and Pingala carry equal pranic charge, a rare equilibrium occurs: the Sushumna channel activates. This is the condition required for Kundalini to rise. Without this balance, the serpent energy has no clear path, and any attempt at awakening produces erratic, destabilizing results.

The Gnostics described a similar principle. The Valentinian concept of the syzygy — paired emanations from the divine source — reflects the same understanding of polarity balance. Ida and Pingala are a physiological syzygy: the sacred masculine and feminine within the breath. Their union in Sushumna is a microcosmic Hieros Gamos, the sacred marriage performed not in ritual but in the body's own architecture.

Modern laboratory studies have also examined alternate nostril breathing, chiefly in relation to the autonomic nervous system.

Primary sources

• Hatha Yoga Pradipika I.41, II.7–10 and II.78, trans. Pancham Sinh (Panini Office, 1915): the 72,000 nadis; breath drawn and released through the nostrils in turn cleanses them; the signs of purified nadis. Open-access copy
• Ṣaṭ-cakra-nirūpaṇa v. 1 with commentary, trans. Arthur Avalon (John Woodroffe), The Serpent Power, 2nd rev. ed. (Ganesh & Co., 1924): Ida, the moon nadi, on the left; Pingala, the sun nadi, on the right; Sushumna between them. Open-access copy

In Practice

Sit comfortably with a straight spine. Close the right nostril with the right thumb, inhale through the left for four counts. Close both nostrils, hold for four counts. Release the right nostril, exhale for four counts. Inhale through the right for four, hold for four, exhale through the left for four. This completes one round. Begin with five rounds daily. The Hatha Yoga Pradipika says that breathing through the nostrils alternately, with retention, cleanses the nadis after three months or more.

The Voice of Pleroma

"The simplest practice is often the most powerful. The ancients knew: purify the channels first, and the sacred fire has a clear path."

Stefan's Alkimia. (2026, October 4). Nadi Shodhana. Pleroma Guide. https://pleroma.guide/en/lexicon/nadi-shodhana

Stefan's Alkimia. “Nadi Shodhana.” Pleroma Guide, 4 Oct. 2026, pleroma.guide/en/lexicon/nadi-shodhana.

Stefan's Alkimia. “Nadi Shodhana.” Pleroma Guide. April 2, 2026. Last modified October 4, 2026. https://pleroma.guide/en/lexicon/nadi-shodhana.

@online{alkimia2026nadishodhana,
  author = {{Stefan's Alkimia}},
  title = {{Nadi Shodhana}},
  organization = {{Pleroma Guide}},
  date = {2026-04-02},
  year = {2026},
  note = {Last modified 2026-10-04},
  url = {https://pleroma.guide/en/lexicon/nadi-shodhana},
  langid = {english}
}