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.
Carpal tunnel syndrome occurs when pressure is placed on the nerve, according to MayoClinic.com This pressure, which is usually due to inflammation, causes numbness in the hands and fingers, pain and weakness of the hand. The cause of carpal tunnel syndrome can be arthritis, diabetes, hormone disorders or repetitive use of the hand and wrist.