How does water make me feel energetic?

Question

I was feeling tired at work, and a bit thirsty. I chugged 3 glasses of water and 5 minutes later I was good as new. Water has no caffeine or any electrolytes afaik, so what happened?

In: 11

Answer 1

You were probably dehydrated… dehydration leads to fatigue because the low flow of oxygen to the brain makes your heart have to work harder to get oxygen to all of your organs