Do I eat breakfast every day? Have I been eating a lot of processed and high sugar foods? Have I been eating poorly the night before? Have I been consuming too much caffeine and alcohol? Is my breakfast providing me with nutritional energy? (more than just coffee) Have I been physically active consistently? Do I have a right life-work balance? Have I been eating healthy lunches? If your answer to any of these questions is no, then you should evaluate your lifestyle habits to help make your post-lunch slump less severe. [2] X Research source

Cereal with skim milk and a piece of fresh fruit. Two slices of whole wheat toast topped with 2 tablespoons (29. 6 ml) of peanut butter and a banana. A multigrain bagel topped with a scrambled egg and a slice of low-fat cheese and a glass of orange juice.

Choose a bright green salad with lean protein for lunch to avoid severe energy drop in the afternoon. Drink a cup of green tea with a piece of dark chocolate. If you must get your lunch from a fast food place, choose items that are baked or broiled instead of fried and skip the French fries. [5] X Research source

Sprouts, green beans, lettuce, mustard greens, radicchio, bok choy, sea vegetables, cabbage, mushrooms, radishes, celery, avocado, cucumbers, broccoli, cauliflower, bell peppers, summer squash, zucchini, bamboo shoots, onions, tomatoes, artichokes, carrots, water chestnuts, pumpkin, etc. Whole wheat bread, brown rice, whole wheat pasta, whole wheat crackers, bulgur wheat, quinoa, etc. Chickpeas, egg, chicken breast, tuna, tofu, turkey breast, etc. [8] X Research source

Switch to decaffeinated or non-caffeinated drinks to get you through the afternoon. Water is an excellent choice, as it is also important to keep well hydrated throughout the day. As an added bonus, it provides you with an excuse to stroll to the water-cooler now and then.