In fact, there are many people who have poor sleep, but long-term poor sleep will cause adverse harm to physical health, easily leading to a decrease in the body's immunity and gastrointestinal dysfunction, or may induce heart disease and cause obesity. Damage 1: Decreased immunity If you often stay up late, feel tired, and lack energy, your body's immunity will decline, and symptoms of autonomic nervous system disorders such as colds, gastrointestinal infections, and allergies will find you unexpectedly. Moreover, the direct symptoms of staying up late frequently are dizziness, inability to concentrate, and even migraines at work the next day. Injury 2: Gastrointestinal crisis People who stay up late to work overtime easily feel tired, and eating "midnight snacks" can be a major source of energy for those who stay up late. However, "midnight snacks" may pose a risk to the stomach, which makes people worry. This is because the lifespan of human gastric mucosal epithelial cells is very short, and they need to be renewed and regenerated every 2 to 3 days on average. This process usually takes place at night when the gastrointestinal tract is resting. If you often eat at night, the gastrointestinal tract will not get the necessary rest and the repair of the gastric mucosa will not be able to proceed smoothly. Moreover, when sleeping at night, the midnight snack stays in the stomach for a long time, which can promote the secretion of a large amount of gastric juice and cause irritation to the gastric mucosa. Over time, it can easily lead to erosion and ulcers of the gastric mucosa. Harm 3: Heart disease risk Studies have shown that it is not as easy as most people think for people with irregular work and rest schedules to adjust their bodies. Not only will their tempers become worse, but their risk of heart disease is also higher. Because the human body's biological clock is not affected by light or clocks. Especially organs like the heart will not be able to adjust to staying up late just because they rest during the day. Therefore, if you "reverse day and night" for a long time, it will increase the risk of heart disease. Harm 4: Obesity Eating after 9 p.m. is generally called "midnight snack." There are two types of autonomic nervous system in the human body: sympathetic nervous system and parasympathetic nervous system. The sympathetic nervous system makes the digestive organs work frequently during the day when the body is active, promoting digestion and absorption; at night, the parasympathetic nervous system is active, allowing the body to rest while the nutrients taken in are stored in the body. Eating at night will not only make it difficult to fall asleep, but also cause loss of appetite the next morning. The resulting nutritional imbalance will cause obesity. |
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