how long can you stay in the sauna
6. Avoid outstaying your welcome. The appropriate amount of time to spend in the sauna is around 15â20 minutes at the most, and less if you feel too hot or uncomfortable. It is better to go in and out, taking cooling down breaks, than to roast in it for too long.7. Cool down gradually after the sauna.he appropriate amount of time to spend in the sauna is around 15â20 minutes at the most, and less if you feel too hot or uncomfortable. It is better to go in and out, taking cooling down breaks, than to roast in it for too long. 7. Cool down gradually after the sauna.