Dr. Jamin Brahmbhatt is a urologist and robotic surgeon with Orlando Health and an assistant professor at the University of Central Florida’s College of Medicine. One recent weekend, I didn’t drink much while out in the sun. That Monday morning, after seven hours of sleep, I still felt exhausted. I was irritable, moody and unfocused. My first instinct was coffee, which only made me jittery. Then I realized I was dehydrated. I drank two bottles of water over the next hour — and felt like myself