Patients have dreams every night for the following reasons: First, it is related to the patient’s poor lifestyle, such as drinking coffee, strong tea or functional drinks before bedtime, watching intense and exciting movies and dramas before bedtime or smoking and drinking a lot of alcohol, resulting in the cerebral cortex being in an over-excited and active state, which can easily produce dreams. Secondly, consider that there is a certain relationship with psychological factors, such as internal tension, anxiety or always thinking about something over and over again, which can also lead to excessive psychological burden, it will be easy to dream problems. Dreaming is a normal human physiological phenomenon, if every day dreaming will have a certain impact on sleep, so pay attention to adjust from their own side to avoid the factors that cause dreaming.