By all means keep yourself hydrated ... I'm pretty sure that Gatorade now makes a reduced calorie product ... I mainly drink water, but on hotter days when I'm sweating like a pig, I make sure to drink at least one Gatorade to replace some nutrients like potassium ...

And, remember this above all ...

Late at night, the forest is darker than a thousand midnights down in a cypress swamp, so when you stumble out of that tent to go pay the water bill (pee), make sure that tree you're watering is actually a tree and not a bear's leg ... ... !!!