Among all forms of infrared sauna research, few subjects receive as much attention as Waon Therapy.
Developed in Japan, Waon Therapy is one of the most studied clinical applications of far infrared heat therapy and has contributed significantly to modern understanding of passive heat therapy.
What Does Waon Mean?
The word “Waon” roughly translates to:
Soothing warmth.
The name reflects the therapy’s central concept: using gentle, sustained heat rather than extreme temperatures.
How Waon Therapy Works
Traditional Waon Therapy typically involves:
- Sitting in a far infrared sauna maintained at approximately 140°F (60°C) for 15 minutes.
- Resting under blankets for approximately 30 minutes afterward.
- Hydrating appropriately.
The goal is to provide a gentle warming experience that promotes circulation without placing excessive stress on the body.
Why Researchers Developed Waon Therapy
Researchers became interested in whether passive heat exposure could support cardiovascular health and quality of life.
This led to a series of studies examining how far infrared heat therapy affected vascular function, circulation, and overall wellness.
Over time, Waon Therapy became one of the most researched infrared sauna protocols in the world.
Areas of Research
Waon Therapy research has examined:
- Cardiovascular health
- Circulation
- Endothelial function
- Blood pressure
- Recovery
- Quality of life
- Comfort and well-being
Many studies have reported positive outcomes, leading researchers to continue investigating the role of passive heat therapy in health and wellness.
Why Waon Therapy Matters
Waon Therapy is important because it provides a structured clinical model for studying far infrared heat therapy.
Rather than evaluating sauna use in general, researchers can study a consistent protocol and compare outcomes across multiple studies.
This has helped create one of the largest bodies of clinical research associated with infrared sauna use.
What Waon Therapy Teaches Sauna Owners
One of the most important lessons from Waon Therapy is that hotter is not always better.
The protocol relies on gentle, consistent heat rather than extreme temperatures.
This aligns with a growing body of research suggesting that consistency often matters more than intensity.
The goal is not to overwhelm the body.
The goal is to support the body’s natural recovery processes.
Related Reading
Far Infrared Therapy Research: What the Studies Show
https://celebrationsaunas.com/far-infrared-therapy-research/
Red Light, Near Infrared, and Far Infrared Therapy: What Each Wavelength Does in the Body
https://celebrationsaunas.com/red-light-near-infrared-and-far-infrared-therapy/
ATP and Mitochondria: Understanding the Body’s Cellular Energy System
https://celebrationsaunas.com/atp-and-mitochondria/
Sources & Further Reading
The Multifaceted Benefits of Passive Heat Therapies
https://pmc.ncbi.nlm.nih.gov/articles/PMC10989710/
Waon Therapy Research Publications (National Library of Medicine)
https://pubmed.ncbi.nlm.nih.gov/?term=Waon+therapy