In reply to Duncan Bourne: More info needed please:
Both hands at the same time?
All the fingers or are some unaffected? Same on both sides?
Apart from the numbness, is the strength normal?
And legs both ok?
How long does it last? Only happens while asleep?
Is there anything that you can do which will definitely make it happen?
I'm away over the w/e so sorry if I don't get a reply back in time.
(dr) b