The five vayus: how prana moves

Students meet the word prana in their first week and usually take it to mean something like energy, in the vague sense of the word. The vayu model is what happens when the tradition gets specific.

What a vayu is

Vayu means wind. The five vayus are five currents, or directions, in which prana is said to move within the body. They are described in the Upanishads and elaborated in the Hatha texts, and they belong to the pranamaya kosha, the breath sheath.

The key is that they are directions rather than locations. Naming a region for each is a teaching convenience; what actually distinguishes them is which way things are moving.

The five winds

Prana vayu — inward and upward, centred at the chest and throat. Governs inhalation, the taking in of anything: air, food, impressions. The most obviously active vayu during a full breath in.

Apana vayu — downward and outward, below the navel. Governs elimination in all its forms: exhalation, digestion’s end, menstruation, childbirth. Grounding, and the vayu most involved in feeling settled.

Samana vayu — centering, at the navel. Governs digestion and assimilation — the sorting of what is taken in. Associated with the pause between breaths and with the middle of the body generally.

Udana vayu — upward, at the throat and head. Governs speech, expression, and in the classical description the movement of consciousness upward. Active whenever you speak, sing or chant.

Vyana vayu — outward, throughout the whole body. Governs circulation and coordination, the distribution of everything the other four manage. The least localised and the hardest to point at.

How they show in breathing

You can feel the first two without any training at all.

Take a long, full breath in and notice where the sensation gathers — chest, upper ribs, a slight lift. That is the direction prana vayu describes. Now exhale slowly and completely, letting the lower belly draw in at the end, and notice the settling downward. That is apana.

The others are subtler. Samana is most available in the pause after an inhale, when nothing is moving in or out. Udana is obvious in chanting — one reason Om is chanted rather than thought. Vyana is what you notice after a strong practice, lying in savasana, when sensation is everywhere and nowhere in particular.

Prana and apana

Most of Hatha Yoga’s practical interest is in these two, and specifically in bringing them together.

The classical description is that prana rises and apana falls, and that practice draws them towards each other at the navel. This is precisely what the bandhas are for: mula bandha lifts apana, jalandhara bandha restrains prana, and uddiyana bandha draws both towards the centre.

Whatever you make of the metaphysics, the model describes something real about how those practices feel — a gathering towards the middle rather than a dispersal.

Using the model

It is most useful as a vocabulary for direction of attention, which is a genuinely important variable in breathing practice and one that is hard to talk about otherwise.

• Feeling scattered, anxious, ungrounded: work with apana. Long exhales, grounding postures, forward folds, attention low in the body.
• Feeling heavy, flat, unmotivated: work with prana. Fuller inhales, backbends, chest opening, attention high.
• Digestion sluggish or attention diffuse: samana. Twists, navel-centred work, and the retention after the inhale.
• Difficulty expressing yourself, or a tight throat: udana. Chanting, and ujjayi.

None of that requires belief in a subtle wind. It requires only that where you place attention changes what a practice does, which anyone who has practised for a month has already noticed.

A note on claims

The vayus are a traditional map of experience. They are not anatomy, they are not measurable, and honest teaching should say so plainly rather than dressing them in borrowed scientific language.

What they offer is a precise way of talking about something the body does and English has no words for. That has been enough for a very long time, and on the 200-hour training we teach them as what they are — a working vocabulary, tested against your own practice rather than accepted on authority.

Common questions

What are the five vayus?

Prana vayu, moving inward and upward around the chest; apana vayu, moving downward below the navel; samana vayu, centering at the navel; udana vayu, moving upward at the throat and head; and vyana vayu, circulating outward through the whole body.

What is the difference between prana and prana vayu?

Prana is the general term for vital energy. Prana vayu is one of its five specific movements, the inward and upward one centred at the chest. The shared name causes constant confusion and is simply how the terminology developed.

Which vayu is used in pranayama?

All of them, but different practices emphasise different ones. Inhalation-focused practice works with prana vayu, exhalation and the lower abdomen with apana vayu, and retention with samana. Kapalabhati is strongly apana-directed; ujjayi works broadly across prana and vyana.

Is there scientific evidence for the vayus?

The vayus are a traditional model of experience, not a physiological description, and they are not measurable in the way blood pressure is. They remain useful as a vocabulary for what breathing practices feel like and where attention is directed.