26/03/2026
Most people think of the sauna as a place to relax.
Your body thinks it's doing a lot more than that.
Here's what's actually happening, minute by minute:
⏱ 5–10 min — Core temperature starts rising. Heart rate increases to match what you'd see in a light jog. Blood vessels dilate and circulation picks up.
⏱ 10–20 min — Your body triggers heat shock proteins — cellular repair mechanisms that help protect and rebuild damaged tissue. This is one reason sauna has genuine recovery applications.
⏱ 20–30 min — Parasympathetic nervous system activity increases. The same state your body enters during deep rest. Cortisol drops. Most people notice a distinct shift in how they feel around this mark.
After you step out, growth hormone levels can remain elevated — relevant if you're training for strength or recovering from injury.
And the cardiovascular case for regular sauna use is stronger than most people realise. Heart rate during a session reaches 100–150bpm — comparable to moderate exercise — while cardiac output increases and blood pressure drops as vessels relax. Over time, repeated use is associated with improved arterial compliance and reduced hypertension risk.
Infrared heats tissue directly rather than just the surrounding air, meaning you get these effects at a lower ambient temperature than a traditional sauna.
Not magic. Just good physiology.
Single sessions available. Link in bio.