I'm talking about a several-hour moderate difficulty hike without running or high-intensity exercise, which you started in a state of adequate hydration. I've

I'm talking about a several-hour moderate difficulty hike without running or high-intensity exercise, which you started in a state of adequate hydration. I've tried out several different approaches many times, and the best I've learned is to wait to drink when resting, no sipping in between. I am not a doctor and this is not medical advice. YMMV.