Why onsen bathing helps autonomic disorder
Autonomic nervous system disorder occurs when the balance between sympathetic and parasympathetic activity breaks down. Warmth, hydrostatic pressure, and buoyancy all activate the parasympathetic system, releasing muscle tension and calming the stress response. All 10 spring types carry this general indication; simple springs additionally have a specific indication for stress relief and autonomic instability.
Bathing technique for autonomic balance
- Keep water temperature at 38–40°C to favour parasympathetic activation
- Soak for 15–20 minutes
- Bathe at the same time each day to reinforce circadian rhythms
- Avoid strongly acidic, sulphur, or very hot springs — their stimulating effects can worsen symptoms
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References
Explore Spring Types for This Condition
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