What the landlord said is what many netizens described as "ghost pressing the bed". (1) scientific explanation of "ghosts on the body" When people are sleeping, they suddenly feel as if they have a thousand pounds of heavy objects on their bodies and can't breathe. They seem to wake up and want to shout, but they can't move. It makes people feel puzzled and frightened, as if there is something transparent on them, plus dreams, and they are given the name of "image". In fact, this is called "nightmare" in medicine. Like dreaming, nightmares are also a physiological phenomenon. When a person suddenly wakes up from a dream, a part of the nerve center of the brain has woken up, but the nerve center that dominates the muscles has not fully woken up, so even if he feels uncomfortable, he can't move. At this time, if someone wakes him or pushes him, the nightmare will disappear immediately. In fact, this phenomenon is very common. For example, when we just wake up, we can't completely swing our fists; Many people have to wait a few minutes after waking up, which is why the central nervous system works out of sync. Lying on your back, being covered with a thick quilt or putting your hands on your chest, being too nervous during the day and overeating at dinner are all the reasons for nightmares. If the audience is careful, they will find that all the people who are haunted are lying on their backs. If they sleep on their side and avoid the above incentives, they won't have nightmares. (2) the ghost presses the bed, that is, when sleeping, suddenly conscious, but the body can't move. Generally, people who are crushed by ghosts like to sleep upside down, that is, their chests are facing down, and they like to sleep with their heads covered because their chests are facing down. The pressure on the heart is relatively high, so the blood circulation will be slower, and it is normal for the body to have no intuition. Covering your head is due to excessive inhalation of carbon dioxide, which leads to lack of oxygen in your brain, so your body is unconscious. Therefore, it is very important to adjust your sleeping position. Sometimes, just after a dream, you will associate your unconscious body with the dream. Maybe you are familiar with the term ghost bed. I think the people are already full of various explanations about the ghost bed. Growing up, the most authoritative, "scientific basis", most supportive and convincing explanation I heard was "You just fell asleep, maybe you were not careful." Some people are accompanied by cold sweat, lack of oxygen and even hallucinations caused by rapid heartbeat, which are all caused by bad sleep habits. Of course, it does not rule out that some people have sleep problems due to organic diseases, and they will die suddenly in severe cases. . . . "Ladies and gentlemen, the above words come from a doctor. They are coherent, reasonable and scientific. How can I not trust them? But it's really hard. I would rather not believe him myself! So I spent two years in repeated torture, repeated fright and repeated sleepless nights ... Until 2003, I finally used a method to drive away the evil spirits that had tortured me for two years, and I had to let go of my arrogant heart and admit that the so-called science was really wrong ... In fact, it was about ghosts. You might as well check the psychological information. You won't be surprised. The literature in this field is already a part of the teaching material. In fact, it is just a so-called "nightmare" caused by physical fatigue or sleeping position. Then there is the author's usual experience-whenever I encounter a nightmare, I will let it go. Try to be bold, and you will find nothing next. When nightmares happen, you will find that they all happen lying down. So if you are timid, you can sleep on your side, but you won't. If you often read books, you will find that there are fewer and fewer ghosts! Be a healthy person .. I don't think so! When my father died, I was often possessed by ghosts. At that time, I could clearly see that it was a psychological factor (for fear that my father would suddenly die in the middle of the night). When I was possessed for the first time, I thought I was too sick to move and would die at any time. So that I can sort out this treatment for crushing ghosts in the future. The best way is to ignore it and go back to sleep. Later, I went to college, and the dormitory I lived in was also a lot of trouble (not to mention the details). Later, I was really submerged by ghosts, and I felt really different (108 thousand miles). Besides, I really saw something. None of my classmates were there at that time. During my nap, I was crushed five times in a row. For the first time, I can exercise for a long time. Lie down after waking up and be crushed as soon as you close your eyes. The second time I got up and lay down, I was crushed without even closing my eyes. It fell from the ceiling like a piece of cloth. I was angry when I struggled out for the third time. I went to my classmate's bed and lay down again, being crushed. The last time was the most outrageous. When I turned my head to one side, I was immediately "pulled back" (not jumping back by myself, but being pulled back). I was so angry that I got out of bed and scolded before going back to sleep. It is very stable. The biggest difference between the two is that the psychological factor is that you will feel that you are not like yourself, and only a few places can contribute. When you are really crushed, you can clearly realize that your muscles are exerting strength, and you can even get up (just being crushed back). So the psychological factor is that suddenly you can move all over your body. When you are really crushed, you can make the whole bed scream, even your hands and feet can move, and then you can obviously feel that someone is pushing you back. When someone wakes up, he tells the story of sleeping. Simply put, it is "a ghost crushed his body". This is so painful and terrible. The speaker painted a vivid picture, and the listener shuddered. The so-called "ghost pressure" is definitely not a ghost pressure on the bed, let alone haunted. In fact, it is a disease of sleep disorder. The phenomenon of "ghost crushing the body" belongs to a kind of sleep paralysis (paralysis) in sleep neurology. At this time, the patient is half awake and half asleep, and the amplitude of brain waves is also awake. Some people will also have hallucinations, but the whole body muscle tension is minimized, which is similar to the "paralysis" state, and the whole body can't move, just like being put on a golden bell jar, which is what most people call it. Patients with "cataplexy narcolepsy" suffer from "ghost crush" most often. Such patients can fall asleep at any time, showing a state of being half awake and half asleep at any time, and often have "sleep hallucinations" and dream of strange people, things and things. When the patient is awake, whenever he is excited, laughing or angry, he will suddenly feel weak and fall down. There is a middle-aged woman who often suffers from "ghost pressure" and her sleep quality is not good. She thinks that she is under great pressure during working hours and has too much housework after work. Later, she quit her job and reduced her housework. As a result, her sleep has not improved. After the author made a 24-hour multifunctional sleep physiological examination for her, the patient suddenly felt an inexplicable force approaching the whole body when she slept at midnight. The dream was weird and horrible, and she couldn't scream if she wanted to. I want to get up, or open my eyes, but I can't move; I have been shouting in my heart, but I can't say it, and I can't make a sound; The muscles of the whole body are tense and paralyzed, the ears are buzzing, and waves of strength are pressing on the chest. No matter how hard I try, I can't do it. After struggling for a few minutes, I can finally do it slowly until I wake up and find myself sweating all over. The author did five more "multiple sleep tests" for her. A few minutes before the end of sleep, she suffered from sleep paralysis twice. Suddenly, her whole body kept trembling slightly and she couldn't make any sound. Someone touched her at once, and she woke up and returned to normal. Before the woman goes to see a doctor, she often tells her at the bedside. When she finds that she has the above situation, she immediately calls her or pats her to wake her up. Our sleep cycle is from sleep period, shallow sleep period, deep sleep period, and finally into "rapid eye movement period" (dreaming period). Sleep paralysis is mainly due to the early appearance of rapid eye movement, which leads to the inconsistency of rapid eye movement stage. In fact, in the rapid eye movement stage, the body is essentially at rest, and the connection signal with the brain is temporarily interrupted. This is a defensive measure, so that the human body will not realize the dreams in real life. For example, when dreaming of hitting people, it will not really act, and it will not punch and kick people at the bedside. When the sleep nerve is paralyzed, the brain recovers from sleep rest, and it is too late to reconnect with the body, leaving people in a state of half sleep and half waking, and dreams and realization are intertwined, resulting in disharmony between the body and the brain. At this time, the whole body muscle tension is the lowest, so it will cause you to remember, but you can't get up; I want to exert myself, but I have no strength at all. This is the most common situation of "ghost pressing the bed". Generally speaking, under the circumstances of excessive pressure, anxiety, tension, extreme fatigue, insomnia, lack of sleep or jet lag, sleep will enter the rapid eye movement stage (dreaming stage) ahead of time, and there will be a situation of "ghost pressing the bed"-sleep paralysis. This happens to people of any age, mostly in adolescence, and few people happen continuously. Unless it happens frequently, you need to seek the help of a sleep doctor. As long as you know this symptom, you don't have to worry too much. According to a research report in the United States, 40% to 50% people will experience sleep paralysis at least once in their lives, and the proportion is not low. Therefore, when you are possessed by ghosts, you don't have to worry, go to the so-called "master" to solve your bad luck. Knowing the truth of sleep can make you feel at ease and sit back and relax. (3) The above is scientific analysis. Simply put, it is "mentally active and physically exhausted". Cause and solution: 1. Sleeping on your back is less likely to happen if you sleep on your side at night. I usually relax because of my nervousness, but not at night. Due to lack of sleep, if there is enough rest, the problem will not exist.