Early pregnancy almost all night insomnia may be psychological stress, hormone level changes in the body, anemia and other causes, to psychological aspects of regulation, activities to promote sleep, improve anemia and other means to alleviate the symptoms. 1. Psychological stress: early pregnancy, excessive tension, anxiety, depression, mood will lead to mental, nervous system disorders, dopamine secretion abnormalities, inhibitory neurotransmitter secretion is too small, resulting in insomnia throughout the night, at this time to carry out the psychological aspects of the adjustment, with the right mind to face the pregnancy, every day to maintain a happy mood may improve the insomnia symptoms. 2. Hormone level changes in the body: early pregnancy, various hormone levels in the body will undergo certain changes, such as thyroid hormone secretion will increase, will increase the excitability of the nervous system, resulting in insomnia, you can drink a glass of milk before going to bed at night, appropriate foot soak to promote blood circulation in the whole body, may improve the symptoms of insomnia, and to develop a good sleep habits, try not to sleep too long during the day. The following are some of the reasons why you should not sleep too long during the day. 3. anemia: anemia in early pregnancy, women, will lead to a reduction in the content of hemoglobin in red blood cells, hemoglobin oxygen-carrying capacity is reduced, the lack of blood supply to the brain will trigger insomnia throughout the night, women should go to the hospital to check the cause of anemia, such as iron deficiency anemia, can be under the guidance of the doctor to supplement iron to improve the symptoms. There are many reasons for insomnia in early pregnancy, and if it is serious, you should consult a doctor in time, and should not blindly use your own medication.