Drink normal water and eat foods which provide potassium and sugar and salt (electrolytes) or drink something with electrolytes added in.
Something that may help with this is drinking a large glass of something with electrolytes in it right before bed, because electrolytes help you stay hydrated longer.
Drink water (or something with electrolytes) before, during, and after the workout.
After you've had water, stick with clear liquids, and preferably something with electrolytes.
OPTIONAL: Drinking energy drinks such as red bull help you run faster in long distance races...if you want to get sick! eat well and drink something with electrolytes.
For example, there is something called the "solid-electrolyte interface layer".
If you feel famished and dizzy because of lack of food, eat something or use a drink with electrolytes.
Get some electrolytes in your system with Gatorade or other sports drinks, get something on your stomach, and sleep it off as best you can.
Electrolyte imbalance is not as grave a danger in adults as it is in children, but it's still something worth noting.
The collapse, he said, resulted from "something of a perfect storm" relating to the delicate balance in his system of vitamins, nutrients and electrolytes in a special diet he has adopted to treat his cancer.
