> I assume going to sauna takes an hour, [...] but beyond that the minutes inside/outside are a mystery... I understand that as the general act of getting up,

> I assume going to sauna takes an hour, [...] but beyond that the minutes inside/outside are a mystery... I understand that as the general act of getting up, starting the sauna, going for your clothes change, resting a couple times, going to the kitchen for water, shower, switch off, kitchen again, whatever... you've filled an hour of your time.