Are you sweating in sauna?

As very enjoy stewing in sauna, but regular visiting, as recently i found am less sweating, why this had been happened?
Why we are sweating, as organism fighting with an warm abundant, saving from over heating, as if such not happening thus results are bad, as in good health And you are not sweating in sauna, thus this happened with over heating, as after 5 visited for stew sauna, as if visited are for more than at 15 minutes, and rest a few minutes, as very strange, as in trained this are fast happening,than in newest, as for other version are poor info, as are you sweating on hot, as doing small rest for an after restoring a sauna procedures, and checking for an own feels.