A sound night's rest may do no good in autonomic failure!

1Neurovascular Medicine Unit, Imperial College of Science, Technology and Medicine at St Mary's, Praed Street, London W2 1NY, U.K., and Autonomic Unit, National Hospital for Neurology and Neurosurgery, Queen Square, Institute of Neurology, University College London, London W2 12BG, U.K. (ON BEHALF OF THE EDITORIAL BOARD)