Journal

Why Am I Not Sweating in the Sauna?
Quick answer: The three common reasons are hydration status (a fluid-depleted body is more conservative about sweating), heat acclimation (regular sauna users sweat sooner and more, so newcomers genuinely sweat less), and the room itself (an infrared cabin typically takes 15 to 25 minutes to produce visible sweat versus 5 to 15 in a traditional sauna). Also worth saying: sweat volume is a poor scorecard for whether a session is doing anything. It is a slightly embarrassing thing to search for. You are sitting in a hot room, everyone else... Read more...
Why Your Legs Cramp After the Sauna
Quick answer: Cramping after a long sauna session is common, and the honest position is that the cause is not settled science. Two explanations compete: the loss of fluid and sodium through heavy sweat, and altered neuromuscular control from fatigue, where the nerve signals governing muscle contraction misfire. The evidence supports both in different situations. What is not in dispute is that a long session moves a real amount of fluid and salt out of you, and that replacing both is sensible regardless of which mechanism is at work. You... Read more...
Where to Sit in a Sauna (and Why the Top Bench Isn't Always Right)
Quick answer: Heat stacks in layers, so the top bench is meaningfully hotter than the one below it, commonly by 15 to 25°F, and the gap from floor to ceiling can reach 30 to 40°F. Beginners should start on a lower bench and move up as they acclimate. Moving up one bench changes your session far more than turning up the thermostat, and it is the fastest way to make a session harder or easier without touching anything. Almost everything written about sauna benches is written for people building saunas.... Read more...
How to Throw Water on Sauna Rocks (Without Ruining the Room)
Quick answer: One modest ladle at a time, poured into the center of the stone pile, then wait and feel it arrive before deciding about the next one. Use warm or room-temperature water rather than ice water. Ask the room first if you are not alone. The most common mistake is volume: dumping water makes harsh, spiky steam and cools the stones, which is the opposite of what you want. Everyone throws water on the rocks. Almost nobody is taught how, which is why so many sauna sessions swing between... Read more...
A Finnish Sauna Glossary: 30 Words Worth Knowing
Quick answer: The Finnish sauna vocabulary that actually matters is small. Löyly is the steam off the stones. Kiuas is the stove. Vihta or vasta is the birch whisk. Avanto is the hole in the ice. Saunatonttu is the sauna elf. About thirty words cover everything you are likely to encounter, and knowing them changes the sauna from a hot room into a practice with a shape. Finland has roughly three million saunas for five and a half million people, so it is unsurprising that the language grew a vocabulary... Read more...
What Is a Kiuas? The Finnish Sauna Stove, Explained
Quick answer: A kiuas (pronounced roughly KEE-oo-ahs) is the Finnish word for the sauna stove. The important thing about it is that it is not really a stove at all. It is a rock oven. Its job is to heat a pile of stones, and those stones, not the air, are what make a sauna a sauna. Water thrown on hot stones produces löyly, the burst of steam that defines the whole practice. Ask an American what makes a sauna hot and they will say the heater. Ask a Finn... Read more...
What Is Löyly?
Löyly is the steam that rises when water meets the hot stones — and the closest thing the sauna has to a soul. What the word means, how to say it, and how to make good löyly. Read more...
What to Drink After the Sauna (and What to Skip)
Water with electrolytes is the right call after a sauna. Where beer, coconut water, sports drinks, and plain water actually rank — honestly, including the beer. Read more...
LMNT vs. Suolaa: Which Electrolyte for the Sauna?
Same sodium-forward minerals, different intent. An honest comparison of LMNT and Suolaa for sauna use — formula, flavor, price, and who each is really for. Read more...
Electrolytes Before or After the Sauna?
After the sauna is the simple answer — replace what you actually lost. Long sessions can justify splitting a serving. Here's the timing that makes sense, without the biohacking. Read more...
How Much Sodium Do You Lose in a Sauna?
A sauna session pulls 0.5–1.5 liters of sweat per hour, and each liter carries roughly 800–1,200 mg of sodium. Here's the arithmetic — and what to do about it. Read more...
The Best Electrolytes for Sauna (2026)
Sauna sweat is sodium-heavy — most electrolyte drinks aren't. We compare Suolaa, LMNT, Magna, and Liquid IV on formula, sugar, and fit for sauna use. Read more...