The reason for the poor sleep after pregnancy may be the following: 1, the pregnant woman itself calcium deficiency will appear relatively nervous excitement, due to the lack of calcium, often in the sleep of leg cramps will lead to poor sleep, so after pregnancy is recommended to give calcium supplements according to medical advice and also recommended appropriate sunshine to promote the absorption of calcium, will make the sleep improved. 2, because of the mental The factors caused by always worry about whether they will touch the fetus in the process of sleep, so it leads to poor sleep, relatively shallow sleep, it is recommended that you can rest assured in this regard, because the fetus has the protection of the uterus, amniotic fluid and the protection of the mother’s abdominal wall, as long as you do not sleep on your stomach will not affect the fetus.