You do lose weight via the moisture, typically around 200g if this article[1] is to be trusted (doesn't cite its sources). More if you are sweating heavily for

You do lose weight via the moisture, typically around 200g if this article[1] is to be trusted (doesn't cite its sources). More if you are sweating heavily for one reason or another. Much bigger effect than calories burnt in the same duration. [1] https://washingtoncitypaper.com/article/221338/straight-dope-do-you-really-sweat-one-liter-each-night/ https://washingtoncitypaper.com/article/221338/straight-dope...