Lying flat while sleeping can also cause hand numbness, which may be caused by cervical spondylosis compressing nerves, but vascular diseases such as hypertension, hyperglycemia and hyperlipidemia are not excluded.

There are many reasons for hand numbness, such as cervical spondylosis of scapulohumeral periarthritis or poor operation of upper limb muscles and tendons; Rheumatism, cold, wind, dampness, blood viscosity, hyperlipidemia, etc. Can cause numbness in the hands. It is recommended to go to a regular hospital for examination and diagnosis before treatment.