Drink enough water. Even slight dehydration causes fatigue, emotional discomfort, and loss of focus. (There's an easy way to tell if you're hydrated: your uri

Drink enough water. Even slight dehydration causes fatigue, emotional discomfort, and loss of focus. (There's an easy way to tell if you're hydrated: your urine will be nearly clear.) Get enough sleep. Eat a balanced diet: lots of veggies and fruit, some lean meat and dairy, and the right amount of carbs to keep your blood sugar consistent without adding too many empty calories. Keep your body moving. Sitting in your chair staring at a screen for 8 straight hours is stressful. Get up and take a short walk while you're thinking through a problem. Pick up a hobby like biking, swimming, or martial arts.