Are you getting enough water?
Above poor cognitive performance, mild dehydration can severely impair physical performance due to increased fatigue, reduced motivation, and endurance.
Other symptoms may include:
Inability to focus on tasks
Headaches
Light-headedness
Dizzy spells
Dry tongue, mouth, and/or skin
Muscle weakness
Undue feelings of lethargy
Start with a large glass a water right when you wake up, and aim for 6-8 ounces each hour to keep both your mind and your body at it’s peak performance!
Learn about the effects of mild dehydration on the body here:
https://www.news-medical.net/health/How-Does-Mild-Dehydration-Affect-the-Body.aspx