The phenomenon of dreaming as soon as you close your eyes is clearly related to the over-excitation of brain cells during sleep. During sleep, brain cells do not reach the state of sleep and are still very active, and it is easy to have excessive dreaming. This symptom is still mainly related to excessive mental stress during the day, overwork or with thinking about problems for a long time before going to bed, too much exercise before going to bed, playing with computers and cell phones for a long time, etc. Long-term appearances may also be due to plant nerve dysfunction, anxiety, depression and other reasons, while insomnia, early awakening, chest tightness, panic, shortness of breath may occur. Long-term excessive dreaming can lead to lack of energy the next day, easy to appear weakness, sleepy phenomenon, need to actively for the cause of conditioning.