Q: have you ever had such an experience? After eating a big meal, a feeling of drowsiness appeared for a moment. Do you know the cause of this sleepy?

A: because the decoction did not fully digest food in the stomach or too high concentration of directly into the small intestine, in this state, the small intestine and blood diluted to the same extent, there must be a lot of water, so the water in blood, quickly return to the small intestine, a small intestine also it swelled; but at the same time, the relative blood volume is less, on the contrary, blood pressure drops, adaptability of poor people, will feel dizzy, body and want to sleep.

There is our brain endocrine hormones, appetite hormones, when a person eating a lot of glucose uptake he will reduce the secretion of this protein hormone, which makes people feel sleepy. The body of the appetite hormone is secreted by neurons in the hypothalamus of the brain, because it can affect the feeding behavior of the body, and involved in glucose metabolism, so called appetite hormones. Later, scientists also found that the hormone also has pain perception, regulation of cardiovascular and autonomic nervous system function. Researchers say a slight change in the level of glucose in the body also reduces appetite hormone activity and makes people sleepy.

According to the research of different kinds of food caused by sleep effects are different, carbohydrates and fatty foods will substantially increase the glucose levels in the human body, will make people feel more tired and sleepy; protein rich food effect is much worse.
 

　If you want to avoid dizziness and sleep after the meal, you should pay attention to the following points:

1. eat slowly, do not devour, intake too much, it is best to eat 8-9 layer full, elongated dinner time.

2. avoid soup and don't drink soda.

3. avoid eating foods that are difficult to digest.

4. more than usual to add yeast (probiotics) such as Yakult or yogurt or yogurt to help digestion.

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