The causes of insomnia in women need to be analyzed according to the physiological characteristics of women, as follows: 1, mental factors: women, compared to men, are prone to anxiety, tension, irritability or depression, because women are prone to psychological and physiological problems, resulting in abnormalities in the function of the nervous system, thus causing insomnia; 2, special period factors: such as menopause, menstruation, pregnancy, also prone to make women more prone to insomnia; 3, environmental factors: if the environment suddenly changes, because women’s physiological and psychological factors are relatively more fragile than men, so once the environment changes may also cause insomnia in women.