Why is it comfortable to sleep in the sun?

I slept for twenty minutes, but I actually fell asleep. I think it would be nice if I could sleep like this all my life. I can sleep very romantically. Princess = = (Well, although I'm not as beautiful as a princess, OK. . . The key is not to be awakened by the prince, but to sleep undisturbed is king. So ... . . I've always wanted to sleep. Qaq-I sleep in a small bedroom. The room is very sunny, and the sun shines directly on the quilt. I didn't cover anything (-well, it's cold. . I didn't cover myself with a quilt) just like the girl in the picture lying asleep in that position ╭ (╯ ╰) ╮ That room is noisy, and a bunch of aunts downstairs are killing life gossip = =. I ignored them mercilessly. . But I actually fell asleep in that room = = which means I'm tired. It's really comfortable in the sun. At that time, I thought, if the sun never goes down to sleep like me, sunbathing can promote blood circulation and enhance human metabolism and immune function, especially in the prevention and treatment of rickets in children or osteoporosis in adults. As the ozone layer becomes thinner in winter and early spring, the ultraviolet rays in the sun will be strengthened, which will bring different degrees of damage to people's health. Therefore, the most suitable time for sunbathing in a day is from 6 am to 10. At this time, the infrared rays in the sun are strong and the ultraviolet rays are weak, which can promote blood circulation and remove blood stasis. From 4 pm to 5 pm, there are many X-ray components in ultraviolet rays, which can promote the absorption of calcium and phosphorus in the intestine, enhance physical fitness and promote normal calcification of bones. Warm sunshine, especially comfortable, my mind suddenly relaxed, of course I want to sleep! The cat may have a suppurative wound, or jump, or other bacteria make him uncomfortable. There was a doctor named Lao Jin, and he immediately thought of people from cats. Solar energy can promote the wound healing of cats as soon as possible. Will it also help people treat injuries? With this problem, Lao Jin did a series of experiments. Later, as expected, he wrote research papers such as "Physiological Effects of Light on Human Body" and won the Nobel Prize, the highest honor in the world scientific community. Why do cats love to bask in the sun? Because fur can produce vitamin D in the sun, cats can supplement vitamin D by licking fur, which can help calcium absorption, thus achieving the purpose of calcium supplementation. By the way, it can also be sterilized. For cats with skin diseases, it is necessary to get more sunshine. In summer in ...................................................................................................................................................., there is direct sunlight in the northern hemisphere, and the ultraviolet rays in the sunlight are strong, which is easy to damage the skin. Girls who love beauty go out to apply sunscreen and wear straw hats to prevent ultraviolet rays; In winter, the direct sunlight gradually moves to the southern hemisphere, and the ultraviolet intensity on the earth in the northern hemisphere weakens, which does little harm to human body. Moreover, when the weather is cold, people have less outdoor activities and receive insufficient ultraviolet rays. At this time, people need more sunshine. Because the right amount of ultraviolet rays can promote the absorption of calcium and help prevent osteoporosis and rickets. Nowadays, many people sit in the office all day, so they have less opportunities to get close to the sun and less physical activity, which is not good for their health. Medical research shows that everyone should be exposed to sunlight for at least 20-30 minutes every day, especially in the morning, which is of great benefit to the human body. Sunbathing in winter is of great benefit to increase the blood circulation of human skin and viscera and improve hematopoietic function. Especially in preventing and treating rickets in children and osteoporosis in adults, it has special curative effect. But unscientific sunbathing can also bring harm to the body. There are two periods of the day that are most suitable for sunbathing. The first section is from 6 am to 10. At this time, the infrared ray is at the peak, and the ultraviolet ray is low, which makes people feel warm and soft, and can play the role of promoting blood circulation and removing blood stasis. The second stage is at 4-5 pm, when the A-beam of ultraviolet rays is prevalent, which can promote the absorption of calcium and phosphorus in the intestine, help to enhance physical fitness and promote normal calcification of bones. No matter what season it is, it is forbidden to stay in the sun for a long time between 10 and 4: 00 pm, especially between 12 and 4: 00 pm, because the ultraviolet rays in the sun are R and B beams at this time, which will cause harm to the skin. In addition, from the measurement concept, staying in the sun for not less than 30-60 minutes every day can balance yin and yang. It is best to wear red clothes when sunbathing, followed by white clothes, and it is forbidden to wear black. You can also sunbathe in summer ~ In summer, many people spend most of their time in indoor air-conditioned rooms and refuse to sunbathe. In fact, it is not good for their health. What are the benefits of sunbathing? Experts suggest that proper sun exposure can supplement the calcium needed by human body, but we should pay attention to the following points: 1. Healthy sunlight should avoid direct sunlight at noon. You should choose a shady place to bask in the sun. About 3.20 minutes is suitable. 4. Choose a sunscreen with SPF around 30, which can effectively protect skin health, avoid aging, and don't be lazy! This is the way to bask in the sun in spring ~ in sunny spring, both adults and children are willing to go outside and enjoy the caress of the sun, which not only makes people feel comfortable, but also has a good health care effect. Sunbathing can supplement vitamin D, promote the absorption of calcium and strengthen the body. However, there is a lot of learning under the sun. The following three parts not only make people feel most comfortable, but also keep healthy. The sun basks in the back of the spleen and stomach and "Yin is in front, Yang is behind, and the sun basks in the back, which can play a role in tonifying Yang." Professor Jiang Liangduo from Dongzhimen Hospital of Beijing University of Chinese Medicine said that Yang Can's weakness makes people's hands and feet cold, and it is often accompanied by spleen and stomach discomfort, such as fear of catching cold in the stomach or diarrhea after eating cold food. Sunbathing the back in spring can dispel the cold of the spleen and stomach and help improve digestive function. In addition, drying the back can also dredge the back meridians, which is of great benefit to the heart and lungs. Sun legs don't cramp "old cold legs" should often come out to bask in the sun. Jiang Liangduo said that leg drying can effectively dispel leg cold, relieve leg cramps, accelerate the absorption of calcium in legs, make bones stronger and prevent osteoporosis. Sunbathing on the top of the head to supplement calcium can fully promote the absorption of calcium. Many people like to wear hats when basking in the sun. In fact, the sun is not so strong in spring, and wearing thick clothes and a sun hat can't play the role of sunbathing at all. "Especially for children, parents are afraid that the sun will burn their delicate skin and always wear hats for their children." In fact, as long as you control the time and let your child's head bask in the sun, it is helpful for the development of the brain and the growth of the skull, and it is also good for the growth of hair. It is best to bask in the sun in the morning from 10 to 1 1. Because the ultraviolet rays in the sun are low during this period, it can make people feel warm and soft. In addition, people of different ages have different tolerance to sunlight, and the length of exposure to sunlight is also different, which is 65,438+05-30 minutes for infants, 65,438+0-2 hours for young and middle-aged people and 20-30 minutes for the elderly. Finally, experts warned not to bask in the sun through the glass, which would not play its due role, but also to take some appropriate sun protection measures, such as using sunscreen and wearing sunglasses. (39)- How to bask in the sun? Let's talk about the baby first ~ It's right to take children to bask in the sun often, but we should master the correct method. Children's skin is very delicate and fragile. Sunbathing is not about letting children receive direct sunlight in the sun. When taking your baby in the sun, avoid going to crowded places and don't expose yourself to the sun. Keep your child in the shade. If you can't find a shade, you can put a hat on your child and use an umbrella. Baby's sunbathing time depends on the season, and the sunshine is mild in winter, which is suitable for outdoor sunbathing. Winter is usually around noon 1 1- 12; Spring and autumn are generally in10-11; Summer is usually from 9: 00 to 10. The length of sunshine should be from less to more, from 10 minutes to 30 minutes. Pay attention to hydration after sun exposure. It is especially emphasized that the irradiation time should be gradually extended from ten minutes to 1 hour, and it is best to have a rest in the shade. In the sun, if you have a headache, dizziness, palpitation, skin flushing or burning pain, you should immediately rest in the shade. And give cool drinks or light salt water, or wipe your child with warm water. Where to bask in the sun? Just don't look straight in the eye. There are several tips for the back of your head, buttocks, hands and feet: 1. When you are in the sun, the sun should directly touch your skin. Sunbathing through glass or wearing clothes will reduce the effect of ultraviolet rays by more than 30%. 2. It is not advisable to bask in the sun on an empty stomach within 1 hour after breakfast. 3. Babies with rickets or who have never taken cod liver oil or calcium tablets are not suitable for sunbathing. You should take vitamin D preparation for a period of time before receiving sunlight. Exposure to sunlight sometimes leads to sunlight and dermatitis. Because of dry skin, pollen irritation and other reasons, the baby will have erythema, papules, local peeling and other symptoms after sunbathing. Eating some foods such as mustard, purslane, Malantou, fig, etc. can also cause photosensitivity, drug eruption or solar dermatitis. When the baby is in the sun, he can wear small glasses to protect his eyes, or lie in the sun and cover his head with a small umbrella to protect his eyes. Don't be exposed to the sun for a long time, which will easily burn your baby's skin and have adverse consequences. 6. The baby's sunbathing can be gradually increased from the first 5 minutes to 10 minutes, and each sunbathing should not exceed 30 minutes. Sunbathing should be carried out every day and persisted for a long time in order to achieve good fitness and disease prevention effects. How do children bask in the sun in autumn and winter? Sunbathing is a great knowledge. Sunshine at different times has different effects on health. And you can't take a bath after sunbathing, otherwise the effect will be greatly reduced. Children develop faster in autumn and winter. When the baby's body develops rapidly, the bones grow faster and the calcium and phosphorus metabolism increases significantly. If you don't pay attention to ensure the child's absorption of calcium at this time, it is easy to get rickets. Therefore, one hour of sunshine in autumn and winter is enough for vitamin D. Studies have found that children can produce 400 international units of vitamin D by sunbathing 1 hour every day, which can meet all the needs of children for vitamin D every day. Sunlight seems to be the best "activator" of vitamin D. How to make up for it in the sun? Although it is breezy now, we should take our children to bask in the sun, but we should still choose the appropriate time and way: 1.6~9, 9~ 10, 16~ 17. If you want to bask in the sun at any time, the ozone layer will weaken seasonally and the ultraviolet rays in the sun will strengthen, so you should pay attention to choosing the time of sunbathing. Cui Qiliang said that there are three suitable time periods for sunbathing: the first stage is from 6: 00 to 9: 00 in the morning, when the sun is mainly warm and soft infrared rays, and the ultraviolet rays are relatively weak. Infrared ray has a high temperature, which mainly warms the human body, can warm the body and promote blood circulation and metabolism; The second and third stages are 9~ 10 in the morning and 4~5 in the afternoon respectively. The radiation characteristics of these two periods are that there are more A-beam components in ultraviolet rays, which is a good opportunity to reserve vitamin D, the "sunshine vitamin" in the body. At the same time, it can also promote the absorption of calcium and phosphorus in the intestine, enhance physical fitness and promote normal calcification of bones. Wear a top hat to protect your eyes from the sun. How long you spend in the sun depends on your age. It should be gradually increased from ten minutes to 1~2 hours, or every time 15~30 minutes, several times a day. You can also sunbathe for a while and have a rest in the shade. In addition, you should wear a small hat with a brim, which can protect the retina, and the skull bone plate is thin and has poor anti-ultraviolet ability in the sun. If you want to bask in the sun, don't "protect yourself from the sun". Some mothers are afraid that their children will catch a cold and wear hats, gloves and masks for their children. I don't know. It's hard to achieve their goal. In the sun, according to the temperature conditions at that time, expose the skin as much as possible. When basking in the sun, you should take off your scarf and gloves, expose your skin as much as possible, and let the sun get in close contact with your skin. 4. Don't take a bath after sunbathing. It is not advisable to sunbathe on an empty stomach. It's best not to bathe the child. Because the substance "7- dehydrocholesterol", which synthesizes active vitamin D in human skin, will be washed away when taking a bath, thus reducing the role of promoting calcium absorption in human body. 5. It is best to wear red clothes in the sun, because the long-wave radiation of red clothes can quickly "eat" the short-wave ultraviolet rays with strong lethality. It's best not to wear black clothes.