Anuloma Viloma Timer
A 2026 review of yoga for healthy ageing ran through the literature on older adults and pulled out three outcomes worth tracking. HRV, blood pressure, and sleep. Across each one, the single most-named yogic intervention was the same: pranayama. The practice the West has been re-naming for forty years as cardiac coherence breathing, resonance frequency breathing, cyclic sighing, and box breathing, all under the umbrella of “breathwork.”
The review’s framing matters because of who it was written for. Healthy ageing is the policy lane that wellness apps generally do not enter. It is the lane of geriatric medicine, of decade-long population studies, of bodies that have already accumulated cardiovascular and metabolic risk. It is also the lane that the United Nations chose for the 2026 International Yoga Day theme, “Yoga for Healthy Ageing,” which PM Narendra Modi will lead from Red Road in Kolkata on June 21 with over 210 Indian missions abroad running parallel events at nearly 2,500 locations.
That convergence (a peer-reviewed review on one side, an institutional public-health framing on the other) deserves attention before the convergence weekend itself begins.
What the review tracked
The first outcome bucket was heart rate variability. HRV is the gap between consecutive heartbeats, and a higher HRV is generally read as a sign that the autonomic nervous system can switch between sympathetic (“activate”) and parasympathetic (“rest and recover”) modes with less friction. The review pulled HRV findings from multiple small-to-medium trials of yogic interventions in older adults. The pattern was consistent. Pranayama-led practices, especially slow nasal breathing protocols, were associated with measurable HRV improvements over weeks of practice. The effect was not unique to pranayama in isolation, but pranayama was the most consistently named component across protocols.
The second bucket was blood pressure. This is where the data sharpens. Multiple randomised trials have specifically tested slow nasal breathing as an adjunct to standard antihypertensive medication and found small but statistically meaningful reductions in both systolic and diastolic pressure over six-to-twelve week intervals. The Mittal et al. 2025 trial in Annals of Neuroscience, which ran ten minutes a day of Anulom-Vilom pranayama alongside standard care, reported drops in both numbers after six weeks. That study did not need its participants to abandon their existing medication, which is the policy-relevant detail. The review noted similar patterns across the broader literature.
The third bucket was sleep. Sleep architecture changes as we age. Older adults tend to spend less time in deep sleep, wake more often, and have a harder time settling. Breath-paced interventions, particularly slow nasal breathing in the evening, were associated in the reviewed studies with improvements in subjective sleep quality and, in some cases, reductions in sleep-onset latency. The mechanism is not fully nailed down, but the working theory routes through vagal tone, the same autonomic signalling that improves HRV.
So the same intervention ran through all three outcome buckets. That is a notable signal. Most interventions in geriatric care optimise for one bucket and trade against another.
Why the lineage matters
If pranayama anchors the data, the question is why the practice keeps reappearing in modern protocols under new names. Cardiac coherence breathing, popularised in the early 2000s, is mechanically a slow paced nasal breathing pattern at six breaths per minute. Resonance frequency breathing, which has its own line of HRV-biofeedback research, is the same kinetic pattern with a slight personalisation step. Cyclic sighing, the Stanford-led 2023 protocol that beat box breathing in a head-to-head trial, is again a structured nasal breathing variant. Box breathing, the Navy SEAL version, is a 4-4-4-4 rhythm built around held pauses, the same held pauses that pranayama calls kumbhaka.
None of those rebrands are dishonest. They are the natural way new clinical protocols get developed and tested. But the lineage runs through the same older practice. Acknowledging that lineage does two useful things. It connects the modern data back to a much longer tradition of empirical observation, and it makes the practice more available to people who have never opened a wellness app. A grandmother who has been doing Anuloma Viloma for fifty years does not need a new branded protocol. She needs a timer.
What this means for the next ten days
International Yoga Day on June 21 lands on the same weekend as Father’s Day, the Summer Solstice, and the close of Global Action on Men’s Health Week. Four cultural anchors, one breath. The pre-event in Kolkata set a new Guinness World Record for a single live yoga session with over 400,000 participants. The institutional gravity is real.
If you have older adults in your life who have been hearing “breathwork” without quite knowing what to do with it, this is a good week to put a structured practice in front of them. Nadi Shodhana (alternate nostril breathing) takes five to ten minutes, no equipment beyond your hands, and no learning curve beyond closing one nostril at a time. The review suggests that the benefit lands across HRV, blood pressure, and sleep. International Yoga Day 2026 picked exactly that finding as its theme.
Anuloma Viloma Timer is free on the App Store. No subscription necessary. Set five minutes. The grandmother in your life already knows the rest.