Some people have no problem falling asleep and sleep enough but have excessive nighttime dreams. As long as they can wake up with energy and do not affect their work and life, they usually do not need treatment. If the nightmares cause psychological shadow, which can lead to the next day can not live normally, or reduced reaction ability, etc., then it is necessary to treat. The specific causes of excessive dreams at night but not insomnia are as follows: 1, the pace of life is tense, the brain is in a highly operational state, or by irregular diet, resulting in liver qi discomfort, spleen qi deficiency, brain orifices lose nourishment and cause insomnia; 2, excessive thinking, depletion of heart and blood leads to brain orifices lose nourishment, or The heart and spleen deficiency, insomnia and dream; 3, long-term mental depression, resulting in liver depression and fire, liver fire, easy to have nightmares; 4, long-term effort, strain or long-term disease, resulting in kidney yin deficiency, loss of nourishment of the medulla, resulting in dreamy insomnia.