Yeah I tripped over that line too. I think maybe they meant you don't realize you are sweating excessively because it evaporates so fast which causes dehydrati

Yeah I tripped over that line too. I think maybe they meant you don't realize you are sweating excessively because it evaporates so fast which causes dehydration. Compared to a high humid area where you'd be drenched in sweat and realize you need to hydrate.