This fuel provides the energy needed to work efficiently. Calories before energy expenditures are better than after. Omitting breakfast places a strain on the body. When an adequate breakfast is eaten, work production in the late morning hours is increased, reaction time is quicker and you don't tire as easily. The strain is revealed in fatigue, irritability, reduced work output and slowed reaction time.
Meal skipping leads to overeating later.
A good breakfast provides a balance of protein, carbohydrate and fat with appreciable amounts of essential vitamins, minerals, and fiber. Mushrooms, carrots, celery, cucumber, squash, zucchini, broccoli, cabbage, etc. Allow sufficient time to prepare breakfast and to eat and enjoy it in an unhurried fashion. Then grab a bagel, piece of fruit, mug of milk and go. Vary foods from day to day to create appetite and enthusiasm for the first meal of the day.