If you’re anything like me, you’ll be no stranger to occasionally waking up with a tingling sensation in your arms, hands, or fingers. You’ll likely know what I’m talking about; when your muscles appear to have gone to sleep and it takes a minute or so before you’ve fully regained any sense of feeling. But what does this strange sensation actually denote? Referred to by many as “pins and needles”, it can be experienced as numbness, tingling, or even burning in one’s hands, feet, legs, or other body parts. According to the National Institute of Neurological Disorders and Stroke, it’s...
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