The ritual of transitioning from hot to cold—like jumping into cold water after a sauna—is invigorating

https://www.scribd.com/document/895061207/How-to-Maintain-Your-Outdoor-Sauna-for-Longevity-and-Performance-187268

The ritual of transitioning from hot to cold—like jumping into cold water after a sauna—is invigorating and refreshing for both body and mind.