Tummo breathing (inner fire): the practice behind Wim Hof
Tummo, or 'inner fire', is a Tibetan Buddhist practice combining forceful breathing, breath holds and visualization, traditionally used to generate body heat. It is the tradition the Wim Hof Method draws from. A small study found trained practitioners could raise their core body temperature. Like Wim Hof breathing it is intense - never practice it in or near water or while driving, and ideally learn it with a teacher.
A traditional, advanced practice best learned with guidance. We describe it for understanding rather than as a session to run, and the same hard safety rules as Wim Hof apply.
The tradition
| Phase | Seconds |
|---|---|
| Inhale | 3s |
| Exhale | 3s |
Forceful "vase breathing" with retention and visualization. There is no simple fixed count; this is an outline of a traditional practice, not a session to self-administer.
What the practice involves
- Forceful breathingStrong, full breaths (sometimes called "vase breathing"), building internal warmth.
- Retention with visualizationHolding the breath while visualizing heat or an inner flame at the navel.
- Release and repeatA cycle repeated under guidance. Traditionally learned over time with a teacher, not from a page.
Common uses
- A meditative practice within Tibetan Buddhism.
- Generating body heat (its literal purpose, "inner fire").
- The traditional root of modern methods like Wim Hof.
What the evidence suggests
A small study of g-tummo meditators found they could raise their core body temperature during the forceful-breathing phase, alongside meditative focus. It is a fascinating result from a few advanced practitioners, not evidence of general health benefits. Tummo is best understood as a traditional contemplative practice.[1]
Who should not do this
A gentler alternative
Tummo is not a beginner practice and not a way to relax. For calm, use resonant breathing or an extended-exhale breath instead.
How BreathMate implements it
BreathMate does not run tummo or other forceful-retention protocols. It focuses on gentle, adaptive slow breathing for calm, focus and sleep.
Sources
- Neurocognitive and Somatic Components of Temperature Increases during g-Tummo Meditation - Kozhevnikov M, Elliott J, Shephard J, Gramann K, PLOS ONE (2013). doi:10.1371/journal.pone.0058244
- How Breath-Control Can Change Your Life: A Systematic Review of Psycho-Physiological Correlates of Slow Breathing - Zaccaro A, et al., Frontiers in Human Neuroscience (2018). doi:10.3389/fnhum.2018.00353
This is general wellbeing information compiled by our editorial team, not medical advice.