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This is Dr. David
how old are you? are you male or female
numbness in the right arm can be from a pinched nerve in your neck
or pinched artery which can temporary block of circulation.
when you sleep you often can sleep on your arm and temporarily block of circulation and you can wake up with extreme numbness and tingling in your arm. this goes away when you get up and get normal circulation back into your arm.
your neck pain can be a sign of a pinched nerve in your neck
an MRI scan of your neck can look for this
let me know if you have other questions
do you have other questions?