Dream talking refers to the phenomenon of talking during sleep, some people may simply say a few words, some people will have singing, shouting and other performance, these are normal conditions that may occur during sleep, is a normal physiological phenomenon, but if there is frequent dream talking and cause a decline in sleep quality, it is necessary to pay attention to and deal with. Dreaming is to appear during the dream, the content of the dream will be related to the dream, the common causes of dreaming are the following aspects: 1, psychological factors: often said that “the day has a thought, the night has a dream”, if long-term focus on one thing will lead to mental tension, work or life stress will also cause anxiety, depression, etc.. 2, physiological factors: too full or too hungry before going to bed, drinking coffee, tea or functional drinks, a lot of exercise and activity before going to bed, being in a chaotic or bright environment, these will cause the brain to be in a long-term hyperactive state, the brain cells in the cerebral cortex can not be effectively inhibited, causing the ups and downs of thoughts during sleep, resulting in excessive dreaming and dreaming; 3, physical Factors: Some people talk in their sleep is related to neurasthenia. Dreams are the expression of subconscious reactions, and some human impulses and instincts will be repressed in reality, but will be gradually released in dreams. In short, dream talking is a physiological phenomenon influenced by a variety of factors, normal occasional dream talking do not worry, it happens to be the daytime emotions expressed in the dream, to adjust the mindset, the correct treatment of dream talking.