Stopping numbness depends on what’s causing it. Temporary numbness from sitting in one position too long resolves on its own within minutes once you move. Persistent or recurring numbness, especially in the hands or feet, usually signals nerve compression or damage that needs a more targeted approach. The good news is that most common causes are treatable, and many respond well to simple changes you can start today.
Why Numbness Happens
Numbness occurs when a nerve can’t send signals properly. This can happen because a nerve is physically compressed (pinched), chemically damaged, or starved of blood flow. The location of your numbness often points directly to the cause.
Numbness in the hands and fingers is most commonly caused by nerve compression at the wrist (carpal tunnel syndrome) or elbow (cubital tunnel syndrome). Numbness in both feet that creeps upward over time is the hallmark of peripheral neuropathy, which has dozens of possible causes. Diabetes is the most common: more than half of people with diabetes develop some type of neuropathy. Other causes include vitamin B12 deficiency, autoimmune conditions like lupus or rheumatoid arthritis, infections such as Lyme disease or shingles, thyroid disorders, alcohol use, and exposure to certain toxins.
Numbness that appears suddenly on one side of the body is a different situation entirely and requires immediate action (more on that below).
Quick Fixes for Positional Numbness
If your numbness comes from sleeping on your arm, crossing your legs, or holding one position too long, the fix is straightforward. Change your position, shake out the affected limb, and give it a minute or two. The “pins and needles” sensation you feel as it wakes up is your nerve resuming normal signaling.
To prevent it from happening repeatedly, pay attention to the positions that trigger it. If you wake up with numb hands, you’re likely sleeping with your wrists bent. Wearing a wrist splint at night keeps your wrist in a neutral position and takes pressure off the nerve. If your feet go numb while sitting, uncross your legs and keep both feet flat on the floor.
Relieving Carpal Tunnel Numbness
Carpal tunnel syndrome is one of the most common reasons people search for ways to stop numbness. The median nerve runs through a narrow channel in your wrist, and when that channel swells or tightens, the nerve gets squeezed. You’ll typically feel numbness in your thumb, index, middle, and ring fingers, often worse at night.
Night splinting is the first-line approach. Wear a wrist splint every night while you sleep for at least eight weeks. The splint holds your wrist straight, preventing the bent-wrist positions that increase pressure on the nerve. Only wear it at night, not during the day, since daytime use can weaken the muscles around your wrist. It may take the full eight weeks before you notice improvement, so stick with it.
Nerve gliding exercises can also help. These are a series of gentle hand positions that encourage the median nerve to move more freely through the carpal tunnel. A basic sequence involves starting with your fingers in a fist, then progressively extending your fingers, thumb, and wrist through six positions, holding each for about seven seconds. Doing five sets of these three times a day has been shown to improve hand function, particularly when nerve conduction hasn’t deteriorated severely.
Workstation Setup
If you work at a desk, poor ergonomics can keep aggravating the nerve. Your desk surface should be at a height where your elbows rest at roughly 90-degree angles while typing. Your monitor should sit about an arm’s length away with the top of the screen at or just below eye level. A keyboard tray or split keyboard can help keep your wrists neutral rather than angled upward, which compresses the carpal tunnel.
Managing Peripheral Neuropathy
When numbness affects both feet or both hands symmetrically and worsens gradually, peripheral neuropathy is the likely culprit. Stopping this type of numbness means addressing whatever is damaging the nerves.
For diabetic neuropathy, tighter blood sugar control is the single most effective step. Keeping blood sugar within target ranges slows nerve damage and, in some cases, allows partial nerve recovery. If you haven’t had your blood sugar checked recently and you’re experiencing unexplained numbness in your feet, that’s worth investigating.
Vitamin B12 deficiency is another common and very treatable cause. B12 is essential for maintaining the protective coating around nerves. Deficiency is especially common in people over 60, vegetarians, vegans, and those taking certain acid-reducing medications. A simple blood test can identify it, and supplementation often improves symptoms within weeks to months.
Alcohol-related neuropathy results from both the direct toxic effect of alcohol on nerves and the nutritional deficiencies that heavy drinking causes. Reducing or stopping alcohol intake, combined with nutritional support, can halt progression and allow some recovery.
When neuropathy causes not just numbness but painful tingling or burning, medications originally developed for epilepsy are commonly prescribed to calm overactive nerve signals. These won’t reverse the numbness itself, but they can significantly reduce the discomfort that often accompanies it.
Lifestyle Changes That Help Nerve Health
Regular physical activity improves blood flow to peripheral nerves and can reduce neuropathy symptoms. Even moderate exercise like walking for 30 minutes most days makes a measurable difference, particularly for people with diabetic neuropathy. Exercise also helps with blood sugar regulation, creating a positive cycle.
Keeping pressure off vulnerable nerves matters more than most people realize. Avoid leaning on your elbows for long periods (this compresses the ulnar nerve and causes numbness in the ring and pinky fingers). Don’t rest your wrists on hard edges while typing. If you cycle, padded gloves and adjusting your handlebar position can prevent hand numbness.
Smoking constricts blood vessels and reduces the blood supply that nerves depend on. Quitting improves circulation to peripheral nerves and slows the progression of neuropathy from any cause.
What Doctors Look For
If your numbness is persistent, worsening, or doesn’t have an obvious positional cause, a medical evaluation typically starts with a detailed history of where the numbness is, when it started, and what makes it better or worse. Blood tests can check for diabetes, vitamin deficiencies, thyroid problems, and markers of autoimmune conditions.
For suspected nerve compression or damage, a nerve conduction study measures how fast and how strongly electrical signals travel through your nerves. Slower-than-normal conduction or reduced signal strength at specific points along a nerve confirms where the problem is and how severe it is. This test is particularly useful for distinguishing carpal tunnel syndrome from nerve problems higher up in the arm or neck.
The pattern of your numbness tells a lot. Numbness in a single nerve’s territory (like three fingers on one hand) points to local compression. Numbness in a “stocking-and-glove” distribution, affecting both feet up to the ankles or both hands, suggests a systemic cause like diabetes or a nutritional deficiency.
When Numbness Is an Emergency
Sudden numbness on one side of your body, especially combined with other symptoms, can signal a stroke. Use the F.A.S.T. test: check for Face drooping, Arm weakness (ask the person to raise both arms and see if one drifts down), Speech difficulty, and Time to call 911 immediately. A sudden, severe headache with no known cause is another stroke warning sign.
Numbness that comes on rapidly and spreads from your feet upward over hours to days, particularly after a recent infection, can indicate Guillain-Barré syndrome, a condition where the immune system attacks the nerves. This also requires emergency evaluation. Numbness accompanied by loss of bladder or bowel control suggests spinal cord compression and needs urgent medical attention.