The specific time of three meals should be determined according to work and daily life, and the time interval between two meals should be 4~6 hours. But when to have breakfast depends on what time you get up. It is best to have a fixed time for three meals. If you don't have time to eat a meal, I suggest you prepare some food in the office or bag, such as snacks with high nutritional value such as dates, almonds, milk and yogurt, and sweets with high calorie and low nutrition such as biscuits and cakes are not suitable. If you don't have time to eat, don't be hungry all the time, otherwise it will not only hurt your stomach, but also disturb the ability of digestive tract to secrete digestive juice.

Eating well in the morning means high quality, which is reflected in the nutritional balance of food: not only staple food (bread, steamed bread, cakes, rice, porridge, etc. ), but also at least two kinds of protein food (eggs, milk, meat, bean products) and at least one kind of vegetables and fruits (preferably more than one kind, for example, eating vegetables in the morning does not hinder eating more fruits). If you add a handful of nuts, then

The amount of lunch should be sufficient, that is, eat enough staple food and vegetables, and try to have as many kinds of ingredients as possible. Eating less at night doesn't mean starving yourself, but eating less calories and oil, trying to make up for the food that you didn't eat or didn't have enough in the morning and noon, such as vegetables, miscellaneous grains and potatoes.

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Before Qin and Han Dynasties, people only ate two meals a day. Because agriculture is underdeveloped and food is limited, even two meals should be treated as people. Mozi Miscellaneous Harvest says that soldiers have two meals a day, and their food intake is divided into five categories. The first meal is called "Chao Shi" or "Li" and is eaten when the sun reaches the southeast (corner). The second meal is called "Nian" or "Shi" and is eaten around 4 pm. For the time of eating, the ancients said that "food is irregular" (The Analects of Confucius). Eating when you shouldn't eat is considered as a polite behavior or a special reward. For example, Records of Historical Records of Xiang Yu records that Xiang Yu heard that Liu Bang wanted Wang Guanzhong, and in a rage, he ordered "rewarding soldiers every day" to boost morale.

After the Han Dynasty, two meals a day gradually became three or four meals. And the three meals are divided into breakfast, lunch and dinner. Breakfast, called cooler in Han dynasty, refers to snacks used after getting up and washing in the morning. In the Tang dynasty, cold weapons began to have the name of heart. "Notes on Neng Gai Zhai" said: "The secular case takes morning food as a snack, which has been said since the Tang Dynasty." Up to now, breakfast is still called breakfast in many areas of our country. Lunch was once called "lunch" or "bento" by the ancients.

When eating twice a day, people think that "the sage and the people began to eat" ("Mencius Teng Wengong"), and eating once is the passage of a day. Today, people often use the word "three meals a day" to express different feelings about time, including those who cherish time.

References:

Baidu encyclopedia entries three meals a day