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.
Tingling in one hand can also be caused by nerve damage from extreme heat or cold or from toxic substances. Chronic conditions, such as multiple sclerosis, can also cause tingling in the hands.