What is a dream like?

We have all kinds of dreams every night. So, how are these dreams formed? It is generally believed that stimulation is an important reason for dreaming. In fact, the formation factors of dreams are extremely complicated and are caused by many factors. 1, the external stimulation of the body, you may have had such an experience, when sleeping, put your hand on your chest, or put one foot on the other foot, you may wake up from a dream; If the red light shines on the sleeper's face, he will dream of lightning and thunder, forest fires and so on. Studies in the sleep lab also show that external stimuli may be programmed into dreams. For example, there is a girl who sprays water on her hair when she dreams, and after waking up, she says that she is pouring fire into her dream; In another experiment, cotton was used to illuminate her face. When she woke up, she said that she saw her sister holding a velvet animal toy in her dream. 2, the internal stimulation of the body from the internal stimulation of the body is programmed into the dream, many people may have had such an experience. For example, many people dream that they are looking for toilets everywhere, especially children, after their bladder is overfilled. In dreams, they often feel that they are in a hurry to pee, and finally find a place to pee before they wake up and know that they have wet the bed. Similarly, when we are thirsty, we dream of looking for water to drink, or seeing water like rivers and lakes. The appearance of sexual dreams is also closely related to the physiological changes inside the body. Adolescent men and women often dream of friends gathering or sexual scenes, which is not unrelated to the secretion of adolescent sex hormones. Researchers of sexual dreams have found that most sexual dreams are not satisfied in real life. Men have sex dreams more frequently than women, and they are less likely to wake up when they are sexually excited, while women will wake up when they have sex dreams. Some researchers collected and analyzed the dreams of 60 female nurses, and found that menstrual cycle also affected the content of dreams. When menstruation comes, there will be dreams of waiting for a bus or something, and when menstruation appears, there will often be destructive dreams. In short, the growth, development, maturity and aging of the human body are normal physiological phenomena, but they will also be reflected in dreams. 3. The continuation of psychological activities during the day "thinking day and night". Dreams reflect the content of life during the day. For example, students near the exam dream that they are struggling to do problems in the examination room because they have been thinking and worried about the exam during the day. Freud understood the essence of dreams as "the realization of a wish, which can be regarded as the continuation of spiritual life in a sober state". Sometimes we dream about what we haven't finished during the day, so we continue to do it in our dreams. For example, a child saw a favorite toy in the shop during the day, but his parents didn't help him buy it. In his dream, the child dreamed that he got the toy. Sometimes we set an alarm clock, but because we were too tired, we pressed the alarm clock and fell asleep again, but we knew we were going to get up, so we dreamed that we were going to get up and wash our faces, and in fact our wishes came true. Memories of the past reappear in our dreams, and there are often things and places in the past, especially many things in childhood. For these past things, some we can recall, and some really can't remember, thinking that it never happened. Therefore, we often feel very strange. In fact, these past events are all true, they are just hidden in a corner of our memory. Freud advocated that dreams are the regeneration of memories, and Bell Kuhn also believed that dreams are difficult to transcend the past and regenerate. Some dreams may be about the past we don't know. Because we always forget the details easily, what we see is hidden in the depths of memory. People are in a state of complete relaxation when they sleep. At this time, they can just recall memento mori with obstacles and collect them widely with their memories, thus showing the unconventional state of consciousness of individuals. 5, the formation of subconscious dreams and the role of the subconscious, the subconscious is relative to the state of consciousness, in the state of consciousness, we can not realize what kind of subconscious we have, but it does exist and affect our psychology and behavior. Similarly, in dreams, this subconscious will play a greater role. In a word, dreams are mysterious, but the formation of dreams is generally based on reality. Because there is no conscious control, dreams may be chaotic and absurd. But in general, physiology is the foundation and personal psychology is the background. These two reasons are the main basis for deciding dreams. What will happen if we don't dream? Research shows that dreamlessness will have a serious impact on our physical and mental health, so what are the dangers of dreamlessness? Please pay attention to the next introduction.