Oftentimes, whenever we lie on bed to sleep, our thoughts focus more on ourselves. No matter how minute, we tend to feel more and experience more the uneasiness that dwells inside our body. Normally, we experience numbness on our hands and fingers whenever we sleep lying on them. Once we change or adjust our position, the numbness easily disappears. But what if it doesn’t? The persistent loss of sensation in any part of the body is not normal and therefore warrants further investigation. Possibly, this may be one of the symptoms of an ongoing medical problem.
Peripheral neuropathy is a term referring to disorders of the peripheral nerve cells of the body. Mostly this is manifested through loss of sensation hands and feet that may cause numbness, pain, weakness or tingling sensation. There are various conditions resulting to this symptom. Thirty percent (30%) suffering from this has no known cause while another 30% is caused by diabetes mellitus. The remaining percentage is due to autoimmune diseases, hormonal problems, infections, metabolic imbalances, toxins, and genetic factors. Listed below are some of the important conditions that may cause hands and fingers to go numb while sleeping.
Possible Causes of Hands & Fingers Numbness
- Diabetes Mellitus – with modern lifestyle, advance technology, and more-than-enough food choices, a lot of people have become sedentary, obese and diabetic. Diabetes mellitus is a disease characterized as high blood sugar either resulting from two most common reasons: due to lack of insulin produced from the body or due to the body’s unresponsiveness to high insulin level. People with diabetes present with frequent urination, unquenchable thirst and insatiable hunger. They also experience loss of sensation in their hands, fingers, legs and feet.
- Brachial plexus injury- this refers to the injury sustained on that network of nerves supplying the muscles shoulders, arm and hand. During contact sports or any physical trauma on that area, the nerves are either stretched or torn out. Persons with this injury oftentimes feel numb on the side affected from shoulder down to the tip of the finger.
- Cervical osteoarthritis -with old age, the bone becomes fragile and weak. And this is true in all bones of the body including the cervical spine. The spine normally encloses the peripheral nerves. Any change in contour and form of the bone may impinge the nerve and result to a herniated disk. Pain and numbness of the neck, shoulder, arms and hands are usually felt on the side affected.
- Multiple Sclerosis (MS) -MS is a medical condition affecting the protective layer covering the nerves. As a result, nerve impulse becomes delayed or interrupted. People afflicted with this disease present with waxing and waning symptoms like numbness of hands, feet or any area of the body, losing balance or control of walking and/or moving the arms, involuntary tremor and muscle weakness or pain. There can also be bowel and bladder symptoms, eye symptoms, defects in brain functions and others more. To date, there is no exact explanation for the trigger.
- Fibromyalgia -Fibromyalgia involves problems with the central nervous system. Persons with this disease complain mostly of musculoskeletal symptoms. The most common symptom is pain in any part of the body that has been going on for a very long time. Some also experience fatigue, numbness, tingling and burning sensation of hands and feet. Impairment of brain cognition has also been seen. Stress, trauma, genetic predisposition and hormonal causations have been pointed to explain the disease but these are only theoretical.
- Vitamin B 12 insufficiency -varying degrees of neuropathy can be experienced with lack of vitamin B12. The nerve damages result to decrease sensation and tingling of the hands and feet. Some forms of mental changes also occur and may manifest as poor memory, and worst, even dementia. The most common effect of this deficiency is anemia.
- Other Medical Causes – Guillain-Barre syndrome, Raynaud’s disease, Siogren’s syndrome, HIV or AIDS, syphilis, ulnar nerve compression, Carpal Tunnel syndrome, paraneoplastic syndromes of the nervous system, spinal and brain tumor, amyloidosis, and alcoholism.
Since there are a lot of medical conditions causing numbness of arms and fingers, the expertise of a neurologist can very well help you diagnose the problem. Before you make an appointment, take note of the time you first experience the numbness, the duration, any triggering factor or any important details that may be related to your symptom. The earlier you seek help, the better are your chances of getting the right treatment.