When sleeping in late pregnancy, the hand feels more and more numb and painful, may be caused by calcium deficiency or carpal tunnel syndrome, may also be improper sleeping posture caused by compression of the hand, according to the cause of the treatment, such as by supplementing calcium, treatment of carpal tunnel syndrome, adjusting the sleeping posture, etc. to improve. 1. Hand numbness caused by calcium deficiency: In late pregnancy, some pregnant women are prone to calcium deficiency, which may cause hand numbness and pain. In order to alleviate this symptom, calcium supplementation should be carried out in an appropriate amount, in addition to taking calcium tablets under the guidance of physicians, and also by adjusting the daily diet and supplementing calcium-containing foods, such as milk, fish soup, bone broth and so on. 2. Hand numbness caused by carpal tunnel syndrome: If a pregnant woman has carpal tunnel syndrome, she may feel hand numbness in late pregnancy. If this is the cause of hand numbness and pain, you need to treat carpal tunnel syndrome to relieve hand discomfort. However, considering the special physical condition of pregnant women, conservative treatment can be adopted first, such as applying wet compresses to the wrist or immobilizing the wrist joint with necessary supports. 3. Sleeping posture improperly triggered by the hand numbness and pain: late pregnancy when the pregnant woman’s abdomen bulge is more obvious, sleep at night if the sleeping posture is not appropriate, may cause pressure on the hand, thus causing numbness and pain in the hand, can be adjusted through the appropriate sleeping posture, change the position of the body to regulate. If a pregnant woman feels pain and numbness in her hands when she sleeps during late pregnancy, she should go to the hospital in time for examination to understand the reason for the pain and numbness, and then go for treatment as soon as possible after a clear diagnosis, so as to prevent the symptoms from worsening and causing other physical problems.