Causes of insomnia during pregnancy Insomnia during pregnancy is one of the common problems among pregnant women. Studies have shown that insomnia during pregnancy is mostly related to three reasons, namely physiological reasons, psychological reasons and living habits. First of all, physiological changes will lead to a decrease in sleep quality, such as changes in hormone levels, uterine expansion, etc.; secondly, pregnant women are prone to anxiety, worry and other negative emotions because of their focus on the fetus, which affects sleep; finally, changes in living habits Problems such as overeating, too much caffeine, and irregular sleep schedules may also contribute to insomnia during pregnancy. How to relieve pregnancy