I'm blessed right now with regular sauna access. I love it. Even on my rest days from the gym I'll just chill in the sauna for a bit. The only slight problem is that they don't have it that hot, but I'll take what I can get for now.
Edit:
Can help with your brain function too:
https://www.nytimes.com/2016/12/21/well/...brain.html
Edit:
Can help with your brain function too:
https://www.nytimes.com/2016/12/21/well/...brain.html