In the dream, the perspective switches back and forth between the client and the bystander, which is almost everyone's dream. Because everyone has the first feeling as a party, and at the same time, he will rationally analyze the event as a bystander afterwards. In dreams, these two feelings can go hand in hand. This seems to be the result of brain activity.
The dream you described about fainting is actually concerned with the feeling of fainting rather than the form. If you really only remember the feeling of fainting, but don't remember what form it is, then the fainting in your dream is the result of your true feelings.
For example, if someone wets the kang while sleeping, they will dream of swimming; When the back of the head and neck are numb, there will be a feeling of ghost pressing the bed; When I hear the alarm clock, it may be that my cell phone rang in my dream. True feelings will bring dreams.
Therefore, when you dream of fainting, it may be your true feelings that bring you a feeling similar to fainting, or a sense of powerlessness. The way some people sleep may lead to general weakness.