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.
Causes. Numbness in a hand is usually caused by damage, irritation or compression of one of the nerves or a branch of one of the nerves in your arm and wrist.