Turns out,
it’s good.
The center of
the village
For thousands of years.
2020
Finnish sauna culture joins UNESCO's list of Intangible Cultural Heritage.
In a sauna, nobody wears a title. In old Finland, farmers and landowners sat on the same bench. It was a place of trust, where disputes were settled and big moments were marked: births, weddings, goodbyes.
The Finns call the steam that rises from the stones löyly. The word once meant spirit, or breath.
But the sauna isn't only Finnish. People have gathered to sweat together for thousands of years: in Roman baths, Russian banyas, Turkish hammams, Mayan temazcals and Native American sweat lodges.
Your heart
gets to work
Then everything settles.
~50%
lower risk of dying from heart disease, frequent vs. once-weekly sauna users.¹
At around 80 degrees, your pulse can climb to 100–150 beats a minute, a little like a brisk walk. Step outside, cool down, and your body shifts into rest.
A study in Kuopio, Finland, followed more than 2,000 men for about 20 years. Those who used the sauna 4–7 times a week had markedly lower rates of heart disease and dementia than those who went once.¹
That's a link, not a promise. But it keeps showing up.
Warmth
connects us
And it turns out that matters.
1,907
sauna-goers in the UK took part.²
A 2026 study linked sauna with better physical and mental wellbeing. Much of that ran through one thing: a sense of belonging. Shared ritual and sweating together made the bond stronger. Weekly regulars felt it most.
Nature,
but warmer
The last piece of the puzzle.
120
minutes a week in nature: the point where people start reporting better health and wellbeing.³
A study of almost 20,000 people in England found that those who spent at least two hours a week in nature felt healthier and happier than those who didn't. It didn't matter if it was one long walk or a few short visits. What mattered was getting out there.
Now put the sauna right there. Warmth for the body, fresh air for the mind, and people around you. That's why nünu moves: to bring all things together.
Pull a seat by the fire
and let the warmth and view do the rest.
Sources
¹ Laukkanen et al., JAMA Internal Medicine, 2015, and Age and Ageing, 2017. Kuopio Ischaemic Heart Disease study, Finnish men.
² Newson et al., “Sauna culture improves physical and mental wellbeing in the UK through social connection and ritual”, Social Science & Medicine 394, 2026.
³ White et al., "Spending at least 120 minutes a week in nature is associated with good health and wellbeing", Scientific Reports 9, 2019.
UNESCO, Sauna culture in Finland, inscribed 2020.
Sauna isn't for everyone at every moment. Pregnant, heart trouble, unsure? Check with your doctor first.