Numbness in hand and feet can have many causes and it is important to ensure that causes related to nerve involvement (distal neuropathies) are ruled out. Since hand and feet and furthest away from spinal cord, their involvement may signify early nerve related diseases. I'd recommend you to visit a neurologist for detailed examination and tests to get the diagnosis.

Hello, The common causes of numbness while sleeping include poor blood circulation due to certain sleeping positions, pinched nerves, and paresthesia,This includes sleeping on the hands or arms, which places pressure on these areas for hours at night. however medical as well as nutritional intervention may be necessary. If the problem persists after treatment ,