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 a friend killed someone with a knife indicates that you will encounter difficulties or setbacks recently, and your dream friend will give you great help. You should manage this relationship well and avoid regrets in the future.
The businessman dreamed that my friend killed someone with a knife: the main fortune was ups and downs, and the business would be in trouble because of some conditions, but he could get the help of enthusiastic friends and tide over the difficulties smoothly.
The clerk dreamed that my friend killed someone with a knife: it means that he will experience a fierce battle in the workplace, but the dreamer who is usually very popular can win smoothly with the support of everyone and get a promotion and salary increase.
Unemployed people dream that my friend killed someone with a knife: finding a job is smooth, and you can't find a good job by your own efforts. I suggest asking friends around me for help and finding good job opportunities through others' introductions.
Students dream that my friend killed someone with a knife: academic performance drops, but they can meet hard-working peers, correct bad habits and improve their academic performance under the supervision of peers.
The patient dreamed that his friend killed someone with a knife: the condition is difficult to cure again and again, and friends around him will introduce you to doctors with excellent medical skills, actively cooperate with them and cure them soon.
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.