Principles for a Nutritious Dinner
1. Dinner portions must be controlled—less is better. Avoid overeating or binge drinking.
As the saying goes: "One less bite at dinner, live to ninety-nine." At night, when people sleep and rest, physical activity drops to its lowest level, and the body's physiological state differs from daytime.Consuming excessive nutrients at dinner leads to accumulated body fat over time, causing weight gain and increasing cardiac strain—both detrimental to health. Our recipe experts caution that overeating at dinner can cause abdominal distension, disrupting digestive organ rest and triggering gastrointestinal disorders. As ancient wisdom states: "Eating before bed, undigested food accumulates, breeding a hundred diseases."Therefore, dinner should be light, preferably consisting of low-fat, easily digestible foods. Second, avoid eating dinner too late. Experts suggest that late dinners may contribute to urinary stones. The primary component of urinary stones is calcium. While some dietary calcium is absorbed through the intestinal wall, excess calcium is entirely excreted through urine.The peak time for urination occurs 4–5 hours after a meal. Eating dinner too late, when people are no longer engaging in vigorous activity, causes the urine produced after dinner to remain entirely in the bladder. This leads to a continuous increase in calcium concentration in the bladder urine, which over time can form urinary stones. Therefore, dinner should not be eaten too late; it is best to eat at least two hours before bedtime.
III. Three Principles for Dinner: Early, Light, Mild
Remember three key words for dinner: early, light, mild.
The first principle is "early." Dinner should be consumed 3 to 4 hours before bedtime to avoid disrupting sleep.
The second principle is "light." If daily calorie intake is divided into 10 parts, breakfast and lunch each account for 4 parts,and dinner should be 2. This balance benefits your health.
The third principle is light. This means low oil and low salt. The Chinese Nutrition Society recommends daily oil intake of 25-30 grams. Exceeding this may lead to high blood lipids. Nationally, however, average daily oil consumption reaches 40 grams per person, and in Beijing, it's 50 grams. This excessive intake contributes to high blood lipids, overweight, and obesity.

The Chinese Nutrition Society recommends daily salt intake should not exceed 6 grams. Otherwise, it increases the risk of hypertension. Nationally, however, daily salt consumption has reached 12 grams per person, resulting in a 10% incidence rate of hypertension. Thus, dinner should focus on: early, light, and mild.
IV. Porridge as the Top Choice for Dinner
What makes for a good dinner? Porridge is an excellent choice, as it is considered nature's premier nourishing food. Consuming porridge aids digestion and absorption, promotes longevity, and enhances beauty. Different porridges suit different seasons. For instance, mung bean porridge in summer detoxifies, relieves heat, and beautifies the complexion.In winter, red bean congee nourishes the stomach and enhances complexion. Middle-aged and elderly individuals may benefit from Chinese yam congee, which fortifies the kidneys and strengthens the body. Those struggling with sleep can try jujube congee—adding jujubes to congee promotes restful sleep, while incorporating lotus seeds helps prevent insomnia.
V. Avoid fruits, sweets, fried foods, and alcohol in the evening
Many have the habit of drinking alcohol with dinner, which is detrimental to health. Excessive alcohol at night hinders metabolism and prevents the stomach from resting due to its irritating effects, leading to poor sleep.It's especially important to avoid calcium-rich foods at dinner. Items like dried shrimp and small fish with bones should be avoided to prevent urinary tract stones.
VI. Prioritize a Nutritious Dinner After Heavy Mental Work
Recent studies indicate chronic fatigue often accompanies nutritional imbalances and chronic health conditions. Middle-aged individuals frequently suffer from prolonged work-related exhaustion and nutritional deficiencies. This group typically lacks exercise, preventing timely fatigue recovery, which can lead to accumulated health issues and premature death. In fact, proper dietary planning can effectively replenish the body's nutrients.
Individuals engaged in prolonged, high-intensity mental work require choline supplementation to enhance memory. Here's a recommended dinner menu for knowledge workers: 100g of steamed crucian carp or stir-fried tofu, 200g of cold-tossed celery or spinach, one cornmeal steamed bun, a small bowl of seaweed soup (without dried shrimp), or a bowl of purple rice porridge.
VII. Whole Grains for Dinner May Cause Insomnia
A random survey by the internationally renowned TNS Market Research Company, conducted among 2,657 residents aged 15–69 in six cities (Beijing, Shanghai, Nanjing, Tianjin, Hangzhou, Guangzhou), revealed that Guangzhou had the highest adult insomnia rate at 68%. Experts attribute this high incidence primarily to dietary imbalances, psychological stress, and poor sleep habits.
Experts from our food network point out that besides improper nutritional balance, another key factor is consuming foods that impair sleep quality at dinner—such as sweet potatoes, peas, corn, and chili peppers.
While many know which foods promote sleep, few realize certain foods not only hinder rest but may actually trigger insomnia.It's the season for roasted sweet potatoes, whose sweet flavor is irresistible. However, consuming too much of these foods at dinner can easily lead to insomnia. Foods like sweet potatoes, corn, and peas produce significant gas during digestion. By bedtime, undigested gas can cause abdominal bloating, disrupting normal sleep.
Beyond filling foods and stimulants like coffee and tea that excite the central nervous system, spicy and salty foods—such as spicy snacks and garlic bread—can also impair sleep quality. Spicy foods not only cause stomach burning and indigestion but also deplete sleep-inducing chemicals during digestion, disrupting rest.
Excessively greasy foods can also cause insomnia. During digestion, these foods increase the workload on the intestines, stomach, liver, gallbladder, and pancreas, stimulating the nervous system and keeping it active. This delays the onset of sleep.
Healthy Dinner Practices
First, eat dinner early. Medical experts recommend this as a sound health strategy. Studies indicate that an early dinner significantly reduces the incidence of urinary tract stones.Our culinary experts remind you that dinner foods contain substantial calcium. During metabolism, some calcium is absorbed by the small intestine, while the rest filters through the glomeruli into the urinary tract for excretion. The peak calcium excretion period typically occurs 4-5 hours after meals. If dinner is consumed too late, when this peak coincides with sleep, calcium may precipitate and form small crystals. Over time, these can enlarge into stones.
Second, dinner should be light. Evening meals should lean toward plant-based foods, primarily carbohydrate-rich options, with an emphasis on fresh vegetables. Excessive intake of protein and fatty foods should be minimized. However, in reality, most households prepare elaborate dinners due to ample preparation time, which is detrimental to health.Excessive protein intake that the body cannot absorb lingers in the intestines, where it decomposes into toxic substances like ammonia, indole, and sulfides. These can irritate the intestinal lining and potentially trigger cancer. Similarly, excessive fat consumption can elevate blood lipid levels.Clinical studies consistently show that individuals who regularly consume meat-heavy dinners typically have blood lipid levels 3 to 4 times higher than those who eat vegetarian meals. For those already suffering from hyperlipidemia or hypertension, regularly eating meat-heavy dinners is akin to adding fuel to the fire.