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.
Numbness and tingling can be caused by a number of factors including: 1  Remaining in the same position (seated or standing) for a long time. 2  Injury or pressure on a nerve (for example, a back injury can cause numbness in the legs or feet, and a neck injury can cause numbness in the arms and hands). Numbness and tingling are common symptoms of anxiety, panic, and stress.