Definition of meta-analysis : a quantitative statistical analysis of several separate but similar experiments or studies in order to test the pooled data for statistical significance new!
Hand numbness while sleeping has a variety of causes, including sleeping position, carpal tunnel syndrome and diabetes, according to WebMD. Other possible causes include vitamin deficiencies, alcoholism, infections and injuries.
Certain medications, such as cancer treatment drugs, are known to cause numbness and tingling in the hands. Some of these cause temporary numbness that goes away after completion of the chemotherapy treatment. Others may cause permanent numbness.