 [ Symptoms ] why do my right arm and hand keep going numb everyday  i wake up several times during the night with my entire right arm and hand numb it will continue to be tingly throughout the day even with very minimal use i will find my fingers going cold and almost useless even holding a hot cup of coffee it does not seem to matter what position i sleep in or if my arm is raised above or below my heart what is causing this and is there anything i should be concerned about [ Disease ] i am no physician but i am familiar with friends and family who have diabetes even if physically fit people can still have diabetes it may also be a sign that the level of iron in your blood is significantly low anemia is a condition associated with low iron where staying warm is a challenge taking iron pills or daily vitamins may help your blood stay healthy and circulate properly allowing good blood flow through out the body thus keeping your body temperature normal probably having your blood sugar and levels checked could not hurt at least that would be two things you could narrow down on the list <positive_smiley>