By Scott M. Zimmer, MD
QUESTION
Why do I have numbness in my hand at night?
ANSWER
If you ever need to “wake up” your hand and wrist at night because they feel numb and tingly, it could be a result of pressure on the median nerve in your wrist or a condition called Carpal Tunnel Syndrome (CTS). This condition is the most common cause of numbness and tingling in the hand.
If pain is interfering with your ability to get a good night’s sleep, you may be able to make a few simple changes in your sleep routine before seeing a specialist. The easiest thing you can do is wear a wrist brace to bed. This will keep you from compressing the nerve that is causing you pain.
You may also want to think about the position of your arm when you sleep. Propping your arm up on a pillow may help symptoms, while sleeping with your hand under the pillow will likely worsen the pain. Anti-inflammatory medication can ease symptoms but should be used under the care of a physician.
CTS can be associated with a variety of medical conditions, including rheumatoid arthritis, alcoholism, obesity, diabetes and hypothyroidism. In most cases, there is no associated medical condition. Some other daytime symptoms include numbness and tingling when driving or holding a device or book for an extended amount of time. It is common for both hands to be involved, although one side may be worse than the other. Over time, some might experience decreased grip strength.
It is important to see an orthopedic hand specialist to get the proper diagnosis before any permanent nerve damage occurs. There are several clinical tests for CTS they conduct, including manual compression on the nerve and a test for loss of strength and muscle.
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