There's a Ghost in the Dream That I Can't See Clearly

After waking up from the car accident, Li Sheng was repeatedly examined by psychiatric brain doctors for free, because his brain activity was higher in deep sleep than when awake, making it an extremely valuable research topic. But patient Li Sheng kept asking the doctor a question from beginning to end: "Why do I keep seeing an invisible figure in different dreams? It's like a ghost or a ghost. It pops up at every turn and scares me." The doctors just smiled and then quietly told the nurses: "Xiao An, increase the dose."