In general, it is normal to sleep and dream, but we should pay attention to the performance of sleeping and dreaming caused by some factors. The reasons for sleeping and dreaming can be divided into two points, namely, cerebral cortex nerve excitement and physical factors. Dreaming is something that everyone does every day. Anything can happen in dreams. Because of the invisibility and variability of dreams, it also brings mysterious filtering to the existence of dreams. Therefore, everyone has a very curious psychology about dreams, especially when there are some troubled dreams, everyone still wants to interpret them.
Dreaming that your friend is crazy: it means that your fortune is not very good. Be sure to take good care of your belongings when you go out, there will be danger of losing them.
Business people dream that their friends are crazy: it shows that your fortune is actually not good recently, and the things you invest are easy to lose money. It is almost impossible for you to retreat. You'd better think more about each other's communication.
Men dream that their friends are crazy: it means that your fortune is particularly good. Usually, I often travel alone, and there may be unexpected gains in many cases. Pay more attention to yourself.
Candidates dream that their friends are crazy: it shows that your recent exam results are still quite good, and it is better to review more at ordinary times. You must work hard to keep it up, which is good for you.
Popular Science: Why do people dream?
The generation of dreams is actually related to life activities, and it is the multiple effects of psychological and physiological influences. When people are asleep, the body still maintains a basic life activity, and our brain is no exception. Although the whole body is in a dormant mechanism, some brain cells are still active, and it is the activity of these cells that creates dreams during sleep.
Many people may find that they have left strong pictures, sounds or things during the day, which are easy to appear in dreams. This is because these things are unforgettable after being stored in the brain as memories.
Because everyone's work, thoughts, emotions, life, hobbies are more or less different, and their views on things are different, so everyone's dreams are different.
Not only people, but also some animals dream.
In many people's minds, everyone thinks that dreaming is a hint, perhaps to remind us of something, and that only humans can dream.
Dreaming is mainly because the cerebral cortex is still excited during sleep, and related dreams will appear at this time.
So many mammals also dream, such as squirrels, kittens, puppies, elephants and other animals, and birds also have some short-lived dreams.