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Sauna After Training: Recovery, Relaxation and How to Do It Well

Using the sauna after a workout: what the research says, a simple routine to follow, and how to stay comfortable and hydrated.

CALOR Sauna Guides8 October 2026 · 2 min read
Sauna After Training: Recovery, Relaxation and How to Do It Well

Quick answerA sauna after training is a popular way to relax and wind down, and many people find it eases tight muscles. The research on performance and recovery is still small and mixed, so think of it as a recovery ritual rather than a shortcut. Rehydrate first, keep sessions moderate, and cool down slowly.

Why athletes use the sauna

Heat has been part of training culture for a long time. Warmth feels good on worked muscles, the quiet is a natural full stop to a session, and many people simply enjoy the routine. Some endurance athletes also use regular sauna sessions as part of heat-acclimation work before racing in hot conditions.

What the research says

Studies on sauna and recovery are generally small, and the results vary. Some find people feel less sore or more relaxed; others find little measurable difference in performance. The bigger, more consistent evidence for sauna relates to long-term heart health and wellbeing rather than next-day performance. See what the research says overall.

A simple post-workout routine

  1. Rehydrate first. You have already sweated in training. Drink water before you go in.
  2. Let your heart rate settle. Give yourself a few minutes after hard efforts.
  3. Start lower and shorter. 8–12 minutes on a lower bench is plenty after a big session.
  4. Cool down slowly. A shower, fresh air, or a cold plunge if you are used to it.
  5. Refuel. Water, electrolytes if it was a long session, and a proper meal.

Keep your head in the game

After training your body is already warm, so the heat can feel more intense, and your head usually feels it first. A thick wool sauna hat keeps the hottest air off your head and helps keep sweat-damp hair from baking, so you can relax into the session instead of counting the minutes.

Post-training ritual

A sauna hat that lives in your gym bag. Approx. 3mm 100% New Zealand merino.

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General information only, not medical advice. Skip the sauna if you feel dizzy, unwell or dehydrated, and speak with your doctor if you have a heart condition or blood pressure concerns.

Sources
  1. Hussain J, Cohen M. Clinical effects of regular dry sauna bathing: a systematic review. Evidence-Based Complementary and Alternative Medicine, 2018.
  2. Laukkanen JA, Laukkanen T, Kunutsor SK. Cardiovascular and other health benefits of sauna bathing: a review of the evidence. Mayo Clinic Proceedings, 2018.
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