If a pregnant woman occasionally has trouble sleeping, it will not have a great impact on the fetus. If a pregnant woman is constantly sleep deprived or unable to sleep, it will affect the growth and development of the fetus. If a pregnant woman can’t sleep, she may have a nervous breakdown or overthinking, which will affect the development of the fetus’ nervous system, and will easily lead to insomnia after the birth of the baby, or symptoms such as waking up easily and crying. The fetus in the process of growth in the uterus will show growth retardation, and in serious cases, fetal arrest. Therefore, pregnant women who have trouble sleeping should be treated in a timely manner, and they must pay attention to keep their mood relaxed and not to have too much stress. Before going to bed, you can drink a cup of hot milk, which can promote sleep. When sleeping, you should also keep the room quiet and try not to have too much light.