Always want to sleep in 6 months of pregnancy may be related to the change of hormone levels in the body, increased metabolism level, too little exercise and so on. 1. Changes in hormone levels in the body: the hormone levels in the body change during the 6th month of pregnancy, which will make you always want to sleep. 2. Increased metabolic level: the basal metabolic level of a woman’s body will increase during the sixth month of pregnancy, and the increased metabolic level will consume more energy, and the energy consumption will make people feel tired, and there will be the performance of always wanting to sleep. 3. Exercise is too little: 6 months pregnant women’s weight gradually increased, the amount of circulating blood increased, the diaphragm uplift, pregnant women will have a relative lack of oxygen performance, feel uncomfortable on the unwillingness to move, a long time to exercise less, the mental state of the poorer, but also kind of want to sleep performance. Always want to sleep after pregnancy is generally a physiological manifestation, no abnormalities do not lie in bed for too long, to appropriate activities, such as physical symptoms, should go to the hospital in a timely manner, consult a physician for guidance.