Patients often talk in their sleep at night, consider the following reasons: 1, with the patient’s psychological factors, many patients emotional anxiety, nervousness or more worried about the heart will be talking in their sleep at night, especially when the patient is watching the plot of a tense, stimulating film and television drama before going to bed, which can easily lead to the patient’s emotional instability, and may be talking in their sleep. 2, with the physiological factors are related to the patient, such as patients in the bedtime when the patient is overfed, very hungry, are prone to lead to sleep talking at night. This can lead to sleep talking at night. If the light of the sleeping environment is relatively bright, it will also cause the patient to sleep inaccurately leading to sleep talking, long-term sleep talking and the patient’s mental debility has a relationship.