A vegetarian lunch keeps you from getting sleepy in the afternoon.

Many office workers experience this phenomenon: after lunch, they always feel listless and drowsy, no matter how hard they try to fight it off. In fact, this is related to the high-fat and high-sugar foods people eat. These foods stimulate the secretion of insulin and bile, overburdening the body's internal organs and reducing the blood's oxygen-carrying capacity. This leads to lower oxygen levels in the brain, causing fatigue.

To avoid afternoon drowsiness, it's best to eat more vegetarian meals. A lunch composed of protein and vegetables, such as fresh fish, chicken, seafood, and tofu, contains a large amount of tyrosine, which plays a decisive role in maintaining sharp thinking, memory, and alertness in the brain. Meanwhile, green, high-fiber vegetables like bell peppers, carrots, and spinach ensure that brain cells receive sufficient oxygen, keeping you energetic all afternoon. The body lacking potassium can also lead to frequent drowsiness, so it's advisable to eat more potassium-rich vegetables for lunch, such as spinach, amaranth, cilantro, celery, green onions, garlic scapes, lettuce, Chinese yam, fresh peas, and edamame.

Oyster Sauce Broccoli

In terms of staple foods, it's best to choose foods with more fiber, such as mung bean rice or whole wheat bread, to slow down the absorption of sugar. Additionally, potatoes have a high starch content, so it's best to avoid them for lunch; eating them for dinner, however, can help with sleep.

Regarding the order of eating, you should eat meat first, then vegetables, and finally the staple food.

Don't eat too much for lunch. Have a few whole-wheat crackers or some chocolate in the afternoon to replenish energy. You can also add tea or coffee to heated milk, or even add some refreshing mint leaves.

Furthermore, eating fruits rich in vitamins, such as pineapple, oranges, and lemons, during work breaks can alleviate nervous system fatigue and boost your energy. Bananas and sunflower seeds, on the other hand, have a sedative effect on the brain and can easily cause drowsiness, so it's best to avoid them.