I keep waking up through the night with dead arms and hands due to my elbows being bent (hands by my face). I straighten them and get the feeling back but it happens again a few times. And the last few weeks I've twice had the aching pain carry on into the whole day in my right arm with numbness if I bend my elbow. I've always had poor strength in my arms/hands (opening jars, carrying plates etc) and frequently shake with any exertion or strain.
Any ideas?!