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.
Others causes of tingling in the hands and legsâ¦. 1  Sitting or standing in the same position for prolonged periods of time. 2  Nerve damage. 3  Pressure on spinal nerves caused by a herniated disc. 4  Having abnormal levels of calcium, potassium, or sodium in the body. 5  Lack of vitamins, primarily vitamin B12.