Is Sauna Bad for Hydration? Separating Fact from Myth
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4 min read
A single 15–20 minute sauna session can cause a person to lose approximately one pint of fluid through sweating. So, is sauna bad for hydration? While the heat does cause significant fluid loss, using a sauna is not inherently bad for hydration if you follow proper and consistent rehydration strategies before, during, and after your session.