There are many reasons for insomnia in female patients at night: 1, consider that it may be caused by mental reasons, with the accelerated pace of life in society, many people will have a variety of stress, so that the nerves are in a state of tension, the nerves are not completely relaxed at night will appear insomnia. 2, consider the relationship with the poor lifestyle of female patients, female patients like to eat before going to bed, such as eating snacks or drinking coffee, strong tea and other excitatory drinks, which can easily lead to insomnia. Strong tea and other excitatory drinks, which can easily lead to the symptoms of insomnia. If you do strenuous activities before going to bed, it will make your brain in an excited state and cause insomnia. If the patient sleeps during the day and works at night, frequent night shifts will lead to disruption of the biological clock, which will also cause sleep disorders.