Anuloma Viloma Timer
Forty-two days to International Day of Yoga. Anulom vilom is the breath that started everything.
If you have spent any time on a wellness app this year, you have probably been taught a version of it under a different name. Cardiac coherence. Cyclic sighing. 4-7-8 breathing. Box breathing. Vagus toning. The category does not lack for taxonomy. It lacks for memory.
The breath that all five of those modern protocols share, slowed nasal breathing in alternating cycles with a held middle, has been written about in Sanskrit on palm-leaf manuscripts for at least five thousand years. The Hatha Yoga Pradipika, compiled around the fifteenth century, lists eight pranayamas and the alternating-nostril pattern is the first one taught. The lineage goes back further than that, into oral transmission and the Upanishads.
Anulom vilom is one of its names. Nadi Shodhana is another. Both translate roughly as “alternate” or “channel-clearing.” The breath itself is unchanged.
What the practice actually is
Block the right nostril with the right thumb. Inhale slowly through the left. Pause. Block the left nostril with the right ring finger. Exhale through the right. Inhale through the right. Pause. Switch. Exhale through the left. That is one round.
Five minutes is enough for the nervous system to register the shift. The Anuloma Viloma Timer paces the inhale, the held pause, and the exhale separately, counts down each phase, and stays out of the way.
There is no chant. There is no app subscription required. There is no biometric to track. The technique itself is the entire intervention.
What the 2025 evidence says
The Frontiers in Psychiatry 2025 meta-analysis on pranayama for mental disorders is the most rigorous synthesis published in this decade. The authors searched PubMed, PsycINFO, and Central for randomised controlled trials of pranayama against depression, anxiety, and related conditions. The pooled finding is clear: short-term effects on mood, stress, and anxiety are real and clinically meaningful. The authors are honest about the gap, study quality is uneven across the field, long-term outcomes are still under-studied, and they call for more trials. They do not overclaim. They confirm what they can confirm.
That honest framing is, in my reading, more credible than the breathy promise of any modern rebrand. The thing that has been done five thousand times before now has a 2025 randomised-controlled-trial meta-analysis that says yes, the short-term effect is real.
Why the lineage matters now
International Day of Yoga is June 21. India’s Ministry of AYUSH has been running a 75-day countdown event since early April with a stated goal of 300 million participants in a single mass yoga session. The cultural moment is the largest organised yoga awareness push on record. In the run-up, search volume for “anulom vilom” and “nadi shodhana” rises sharply across the Indian and South Asian diaspora.
In the wellness apps, the breath is renamed. In the homes where the practice is taught from grandmother to mother to daughter, it is still called what it has always been called. The two streams of the same river do not need to be reconciled. Both can flow.
For the practitioner the question is simpler. Of all the breath protocols stacked on the App Store right now, which one has been studied for the longest, costs the least, and has the cleanest mechanism? The answer is the same one Patanjali wrote down in the Yoga Sutras. It happens to also be the one that the Frontiers in Psychiatry 2025 meta-analysis confirms.
Five quiet minutes
International Day of Yoga is forty-two days away. The breath that started everything is one tap away.
If you are reading this in the Indian diaspora, the version your grandmother taught you is probably the most accurate technique you will ever encounter. The app is here for the days when the household is loud and you need a paced cadence to fall back on.
If you are coming to it from a modern wellness app and finding that the rebranded versions have started to feel slightly hollow, this is the thing they are all derived from. Five minutes is enough to register the shift. Held pauses are part of the practice, not a bug to be optimised out. The Sanskrit names are not decoration. They are the longest continuous record of the technique on file.
Anuloma Viloma Timer is free on the App Store. No subscription necessary.