Proper hydration helps regulate body temperature. The old "drink eight glasses of water per day" is a myth. But just how much you should consume depends on you, really. For us, the more water we pound the more we pee. So we go by this rule: If you're thirsty, you're already partially dehydrated.
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#3. REDUCE CAFFEINE INTAKE
Coffee, soda, and other caffeine-loaded drinks stimulate sweat glands. Coffee is also a diuretic, which means it makes you have to pee, so too much caffeine can lead to dehydration. If you rely on coffee for an energy boost but sweat excessively, perhaps it's time to consider alternatives, such as cocaine or meth.