Sauna Benefits: Why Regular Heat Exposure Is Worth It
The evidence-informed benefits of regular sauna use - cardiovascular health, recovery, relaxation and sleep - and how often to sauna.
Saunas are one of the most-studied recovery tools on earth, thanks in large part to decades of Finnish research. Here is what regular heat exposure appears to do.
Cardiovascular conditioning
Heat raises your heart rate and dilates your vessels in a way that mimics light cardio. Large long-term studies have linked frequent sauna use with better cardiovascular markers - one reason saunas are often called "passive exercise".
Recovery and relaxation
Heat loosens muscles, increases circulation to tired tissue, and triggers a deep parasympathetic calm. It is why a sauna feels so good after training or a hard day.
Sleep
The rise and then fall in core temperature after a sauna can help you drop into deeper sleep - especially if you sauna a couple of hours before bed.
How often
- 2-4 sessions a week is a common, sustainable target.
- 15-20 minutes per session for traditional heat.
- Hydrate before and after - you lose real fluid.
See our infrared and traditional saunas.
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