What are the causes of ghost sightings such as ghost pinching and sleep paralysis? They are not real ghost sightings

Human beings are so insignificant in the face of nature, especially before the birth of modern science. The occurrence of many natural phenomena is incomprehensible. So in order to alleviate the fear brought by the "unknown", humans created ghosts and gods.

Today, the phenomena that were incomprehensible in the past have been scientifically explained, but the fear of ghosts and gods has not completely disappeared. Especially when something extraordinary happens, people will immediately associate it with "ghosts". So, are there ghosts in the world? This question is a bit too broad and too big, so we will not comment on it, but some common "ghost" phenomena have corresponding scientific explanations.

"Ghost pinching bruises" is one of the common ghost phenomena, which means that bruises will appear on the body without knowing it, but the person has not suffered any bumps or collisions.

This phenomenon sounds very strange, but as long as you don't scare yourself, you can see the clues. What is a bruise? The so-called bruise is actually the rupture of capillaries under the skin, and the blood penetrates into the tissue outside the blood vessels, thus forming skin damage. The most common cause of bruises is the action of external force, such as a collision between the body and a hard object, or being pinched hard by someone. Strong external force is one of the causes of bruises, but it is not the only reason.

As we age, the elasticity of our blood vessel walls gradually decreases, and the blood vessels become more brittle. Compared to when we were young, it is more likely for capillaries to rupture, resulting in bruises.

In addition, if the body has a coagulation disorder, or there are too many impurities in the blood, it may also cause frequent bruises. If the bruises only occur occasionally, you don't need to pay special attention, but if they are frequent, don't blame the problem on the ghost. Go to the hospital for a physical examination as soon as possible. Although the bruises are small, they are sometimes an important symptom of a disease.

Compared with ghost pinching green, "sleep paralysis" is even more terrifying.

Because sleep paralysis can make us lose control of our bodies, it can make us fall into deep fear. Some people even feel the presence of human figures or ghosts around them when they are experiencing sleep paralysis. Is sleep paralysis really caused by a ghost? Of course not. Sleep paralysis is actually a sleep disorder, which is called "sleep paralysis". Sleep paralysis usually occurs during the rapid eye movement period, which is the stage when it is easiest to dream. This stage itself is dangerous because people lose consciousness after falling asleep. If the body reacts to the stimulation of dreams, it may cause trauma.

In order to avoid danger, our brain activates a protective mechanism, which releases neurotransmitters while making us fall into a dream. This neurotransmitter has a certain anesthetic effect and can limit the movements of our body.

Normally, the effect of the anesthetic wears off as we wake up from sleep, but if we wake up too quickly, the situation will be different. At this time, our limbs are still in an anesthetized state and naturally cannot move. Generally speaking, people who experience sleep paralysis are awakened from nightmares, so it is more likely that they will wake up too quickly and their bodies cannot keep up.

Why do some people feel like they have really seen a ghost when sleep paralysis occurs?

This is actually still a self-protection mechanism of the brain. When the awakened brain finds that it cannot find and control the body, it will fall into a state of extreme fear and deep helplessness. The brain needs to find a reason for this fear and helplessness, so the brain pieces together the horror fragments in the memory to let this fear and helplessness find a target. The above are the basic principles of sleep paralysis. As for the deep causes of sleep paralysis, it is not completely clear at present. What is known is that excessive stress, irregular work and rest, and poor sleeping posture will increase the probability of this phenomenon.

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