Science

Science-backed insights on sauna, recovery, and athletic performance.

Sauna Safety: How to Know When to Leave

The short answer: Head heat discomfort is a reliable cognitive exit signal and anatomy, not weakness. The head sits 10–15°C hotter than bench level...

Why Your Head Is the Enemy in a Sauna — And How a Sauna Hat Changes That

Picture a familiar scene. You are eleven minutes into a sauna at 88°C. The temperature is right. The timber is warm. Your body, by...