Will everything in the dream be true?

No, because dreaming is a normal and indispensable physiological and psychological phenomenon of human body. After people fall asleep, a small number of brain cells are still active, which is the basis of dreaming. Why do people dream and what happens if they don't dream? Normal dream activity is one of the important factors to ensure the normal vitality of the body. Scientists have done some experiments to stop people from dreaming. That is to say, when the sleeper has a dream brainwave, he is immediately awakened to stop his dream from continuing, and so on. The results show that deprivation of dreams will lead to a series of physiological abnormalities of human body, such as blood pressure, pulse, body temperature and skin electrical response ability, and the function of autonomic nervous system will be weakened. At the same time, it will also cause a series of adverse psychological reactions, such as anxiety, tension, irritability, perceptual hallucinations, memory disorders, irritability and so on. Obviously, normal dream activity is one of the important factors to ensure the normal vitality of the body. Dreams are a way to coordinate the balance of human psychological world. Because people are dominated by the activities of the right hemisphere in dreams and the activities of the left hemisphere after waking up, waking up and dreams appear alternately during the 24-hour day and night activities of the body, which can achieve a dynamic balance between neural regulation and mental activities. Therefore, dreams are a way to balance people's psychological world, especially for people's attention, emotions and cognitive activities. Dreamless sleep is not only of poor quality, but also a sign of brain injury or disease. Recent research results also confirm this view, that is, dreams are the result of the brain's regulatory center balancing various functions of the body, and dreams are the need for the healthy development of the brain and maintaining normal thinking. If the brain's regulatory center is damaged, dreams will not form, or only some incomplete dream fragments will appear. If you sleep for a long time without dreams, it is worth people's vigilance. Of course, if you have nightmares for a long time, it is often a sign of weakness or some diseases. In fact, as long as you don't do anything wrong, you won't be afraid of the truth of your dreams if you walk straight.

Of course, dreaming is also related to people's health and directly related to people's emotions. If you hate someone very much, you will often dream about that person. This is a normal phenomenon. If you like someone very much, you will often dream about it. Dreams are the opposite.