For beginners who are using a portable sauna for the first time, blindly pursuing the duration can easily backfire. A scientific adaptive training cycle can help the body gradually adapt to the thermal environment, safely transitioning from 15 minutes to a cumulative duration of 45 minutes and enjoying the benefits of heat therapy. The first week is the basic adaptation stage, with... https://hybervitals.com/blogs/blog/a-portable-sauna-usage-time-recommendation