yes!! its the constant lifting and moving. kept me from sleeping for a while. i got a check up for it. i was told that it was pinched nerves. starting from the back of your neck on down to your arms. you have to take more Vitamin C and do some neck stretches. Also arm stretches are good. do them before during and after work. they should help lessen the numbness in your hands. i got prescribed Magnesium Citrate. But most def keep with the stretches nd more intake with vitamin C..... but just in case, just get a check up. it could be something other than wht i had