There are several possible reasons for insomnia during ovulation: First, the hormone level in women’s bodies will change significantly during menstruation, for example, sex hormones, estrogen and progesterone will rise, and the type of hormone will also change significantly, and the hormones will indirectly act on the pituitary gland and act on the body’s cells by way of humoral regulation, which can gradually cause an increase in the release of excitatory transmitters in the brain This can lead to anxiety and insomnia at night during menstruation, which is an important cause of insomnia for women during ovulation. Secondly, women’s physiology will have obvious changes during menstruation, such as an increase in body temperature and a significant change in diet, which can lead to insomnia and even mental tension during menstruation. Thirdly, it may be that women are usually more stressed, leading to endocrine system disorders, neuropsychiatric system has a certain dysfunction, a combination of factors can lead to insomnia during the menstrual period.