Some data show that more than 50% of people have experienced "sleep paralysis", and the frequency of sleep paralysis in non-Nigerian African people is higher than that in white people. Scientists have determined that the symptoms are related to life stress, mostly in adolescents and young people.
1. Sleeping with a light on can lead to weight gain, according to a study by the University of Ohio. Even a balanced diet and active exercise are inevitable.
2. If you sleep too close to the wall, your joints are easy to be injured. According to experts, the temperature difference between the wall and the room can be 3 ℃ - 8 ℃. If there is no distance of more than 20 cm in the middle, or there is no barrier of wood materials, the cold air on the wall will cause harm to the human body, which is likely to induce some cold diseases such as arthritis, rheumatism, rheumatoid, etc.
3. It is not suitable to wear hemp pajamas when sleeping. A survey on pajamas shows that pajamas made of various materials and the sleep state of the respondents are analyzed. The researchers found that the pajamas made of silk and cotton are helpful to sleep, while hemp pajamas affect sleep. Experts mentioned that "the autonomic nervous system of a person includes the sympathetic nerve that keeps the body active and the parasympathetic nerve that makes the body rest. We asked the subjects to sleep in silk and hemp pajamas and measured the depth of sleep. As a result, the activity level of parasympathetic nerve in silk is twice that in hemp pajamas Therefore, people's body temperature will drop before they go to sleep. Therefore, they should wear silk which is easy to dissipate heat. Chemical fiber products are the least suitable for pajamas.
4. People who sleep less than four hours a day are 73% more likely to be obese than people who sleep normally. Studies have shown that people with insufficient sleep have higher levels of appetite promoting factors.
5. Sleepiness is harmful to health. In the morning, the air in the bedroom is turbid. It is determined that there are a large number of bacteria, mildew and fermentation particles, carbon dioxide gas and dust in the air, which can easily damage the respiratory system, induce cold, cough, pharyngitis and dizziness, etc. for a long time, it can also damage memory and hearing.
6. Taking a hot bath 30 minutes before going to bed is not conducive to sleep. The concepts of "before bed" and "hot water" in "hot bath before going to bed" are both wrong concepts and violate the physiological laws of the human body. Bathing with hot water, the body temperature rises rapidly, will inhibit the brain melatonin secretion, slow down the brain melatonin release time. The main function of melatonin is to induce natural sleep and overcome sleep disorders by regulating natural sleep. People want to sleep at night, mainly because it is secreted only at night. The most active period of melatonin secretion is from 11:00 p.m. to 2:00 a.m., and then the secretion gradually decreases until about 8:00 a.m. If you go to bed immediately after a hot bath, it will lead to the delayed secretion of melatonin, making it difficult to fall asleep. Even if you fall asleep, the quality is not high, and you may often dream.
7. "Ghost pressing bed" is actually sleep paralysis. I don't know if you have this feeling when you are sleeping. When you just fall asleep or wake up, your consciousness is very clear at that time, but your body doesn't listen to your own command. You feel that you are bound by force. If you want to speak, you can't open your eyes. Sometimes you may feel chest tightness, No matter how hard you struggle, you can't wake up. In fact, this feeling is what people call "ghost pressure bed". This kind of symptom is called sleep paralysis in medicine. It often occurs when people just fall asleep or are about to wake up. At this time, people just enter the sleep cycle of deep sleep and dream. All parts of the body are in a state of extremely low tension, and people's consciousness may be too excited to have such a feeling.
Some data show that more than 50% of people have experienced "sleep paralysis", and the frequency of sleep paralysis in non Nigerian African people is higher than that in white people. Scientists have determined that the symptoms are related to life stress, mostly in adolescents and young people. Such people usually have too much pressure, irregular work and rest time, often stay up late, insomnia and anxiety, these factors may cause sleep paralysis.
How to fight against ghosts? If you have symptoms of sleep paralysis, you can quickly restore your muscle tone by quickly rotating your eyes, letting them move up and down, left and right. Then, blink, contract the muscles around your mouth, move your jaw and tongue, and when muscle tension begins to appear, move your neck, shoulders, hands, fingers, legs; ankles and feet; and finally, sit up and move all the muscles.
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