<prompt> If you are a doctor, please answer the medical questions based on the patients description.my age 44 everyday i use motor bike for 40 km since 1 month i have been suffering num ness in my hand while sleeping today i foud though xray that in c56 having narrow gap so please consult about what kind of precution to be YYYYYY  <response>: Yes most certainly. A narrowing of the gap presses on the nerve roots which arise from the spine. C5 and C6 are involved in the formation of what is called the brachial plexus which is essentially the neural center of our entire hand. Hence, compression of those nerve roots can lead to numbness and even tingling sensations in the hand recommend you show it to an orthopedic as soon as possible. In the meantime:1 Medication:Flexion Mr 500 mg twice a day Ibuprofen 800 mg twice a day if flexion is not effective. Pantoprazole 40 mg once day if you are taking both the above-mentioned pills2 At home: A cervical collarCervical pillarPhysiotherapyStop riding the bike 