Harvard Men's Health Watch
What causes my feet to suddenly become numb?
On call Q. My feet tingle or feel numb like they are asleep at times, mostly when I am in bed or with my legs elevated. What causes that? A. The symptoms you describe may be related to peripheral neuropathy, which is nerve damage that affects multiple nerves leading out from the spinal cord to the arms and legs. Symptoms are often equal in both feet. If only one foot,