Numbness in the hands during sleep - a common phenomenon, which is not always an indication of any health problems. Nevertheless, this fact is of concern.
In most cases, if you wake up with numb hands - with the hand almost does not feel anything bad bends - it says only that your head for a long time lying on the hand. Due to prolonged pressure arm received little blood, resulting in the characteristic symptoms appeared. After some time the blood circulation is restored, and return him and susceptibility, as well as the mobility of the hands. However, sometimes numbness in hands
Numbness of hands - not such a harmless symptom
during sleep is a symptom of various health problems. In such cases, numbness, partially or completely retained after a person stands up; The patient may also feel tingling in their hands. In some diseases, causing numbness in the hands, eventually hands and fingers become weaker, and perform some action given to a person with great difficulty or impossible.
It causes numbness in the hands during sleep
Most often the main cause of numbness in the hands - with the exception of situations where people just lain arm - is damage, irritation or compression of one or more nerve-related hand and / or a brush. Some diseases affecting the peripheral nerves, such as diabetes, can also cause this symptom is numbness of the hands at the same time is usually preceded by the appearance of the same symptoms in the feet.
In rare cases, numbness of the hands during sleep (and not only) it is associated with various disorders affecting the spinal cord or brain. Here are some of the diseases that can cause numbness in the hands during sleep:
Long-term alcohol abuse affects the entire human body. It may cause a malfunction of the nerves, including those that affect the sensitivity of the hand, and the problems with the gastrointestinal tract, liver, heart, reproductive system, eye, bone disease, and so on.
Very disease in which starts to accumulate in the bodies of a substance called amyloid. The disease affects various organs, but most often it is suffering from heart, kidney, liver, spleen, nervous system and gastrointestinal tract. Severe forms of amyloidosis can lead to malfunction of some organs, which in some cases can be life-threatening.
Amyloidosis not cause any symptoms until the disease does not result in significant changes in the organism. Its symptoms include numbness of one or both hands both during sleep and waking, dizziness, extreme weakness, swelling of the legs, diarrhea, sometimes - with the presence of blood in the stool or constipation, language, very rapid saturation in time meals and drastic weight loss, difficulty swallowing, irregular heartbeat, thickening of the skin, frequent bruising. When you see any symptoms of amyloidosis as soon as possible, seek medical help.
- Damage to the brachial plexus
The brachial plexus - a major hub of the nervous system, consisting of several nerves, which receives signals in the shoulders, arms and hands. Damage to the brachial plexus is most often seen in people who engage in contact sports, but they can also be the result of a car accident, falls, and so on. Their existence depends on the degree of nerve damage. In mild cases, there is numbness of the hands, which is especially strong during sleep and after waking up, when a person does not move his circulation slowed. Many patients also note sensation resembling the passage of electric current through the arm.
Minor damage to the nerves can pass by themselves, and the symptoms disappear after a while.
In severe cases, there is not only numbness, but also the weakness of hands, because of which people sometimes can not normally move his arms, and severe pain and sometimes complete loss of sensation in hands.
- Carpal tunnel syndrome or carpal tunnel syndrome
This disorder is caused by a pinched nerve
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in the brush. The development of this syndrome by several factors, including the anatomy of acidic, some diseases, as well as certain activities which may lead to a pinched nerve. Usually the first signs of carpal tunnel syndrome are numbness or tingling in the fingers of the hand (or both hands), in addition to the little finger, which appears from time to time and then goes away. Numbness often occurs when a person holding a phone, leather or paper; many patients it occurs during sleep and is so strong that they wake up. Sometimes numbness extends to the whole hand and wrist.
Many people with the appearance of this symptom shaking hands to get rid of the numbness, knead hands or hold them in warm water. At first, it may help, but as the disease progresses, numbness persists for more long time, and finally, can become permanent. Carpal tunnel syndrome can also cause weakness of the hands, which is why it is difficult to restrain patients in the hands of even fairly light objects.
Cervical spondylosis - a form of osteoarthritis that affects the vertebrae of the cervical spine. This is a very common disease, which develops and progresses as the person ages. More than 90% of people aged over 65 years with the help of X-rays can detect signs of cervical spondylosis, and some of them there are signs for the detection of not requiring special diagnostic procedures. Pretty common symptoms of this disease include numbness of hands during sleep, weakness and tingling in the hands, incoordination, urinary incontinence. These symptoms appear when the disease leads to compression of the spinal cord and / or nerve roots.
In some cases - fortunately quite rare - hand numbness while sleeping
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It may be among the first signs of multiple sclerosis. This violation of the patient's immune system affects the myelin sheath that covers nerve fibers. As a result, the connection between the brain and other parts of the body breaks down over time may begin to break down the nerves, and the process becomes irreversible. The symptoms of multiple sclerosis are very diverse - manifestations of the disease depend on what kind of nerves, and to what extent, it has been damaged. In severe forms of the disease people can not walk without the help of others, or do not go at all; some patients come long periods of remission, during which the disease did not progress.
Symptoms of MS may include:
- Numbness in the hands and / or feet during sleep and wakefulness, as a rule, only one side of the body;
- Temporary partial or complete loss of vision, usually in one eye. The appearance of this symptom may be accompanied by pain when moving eyes;
- Ghosting visible objects, or blurred vision;
- Tingling or pain in various parts of the body;
- Tremor of limbs;
- Problems with speech apparatus, because of what it can become slow and slurred.
At the slightest suspicion of multiple sclerosis should immediately consult a doctor. Although at the moment there is no way to completely cure the disease, there are tools that help significantly slow down its development.
In addition to the above-mentioned diseases, causes hand numbness while sleeping can be benign or malignant tumors, Lyme disease, vasculitis
Vasculitis - when blood vessels refuse to work
As well as certain drugs, such as chemotherapy drugs.