ScienceDaily (Sep. 17, 2010) — REM sleep disturbances constitute an early marker of neurodegenerative diseases. This was demonstrated by the Multidisciplinary Sleep Disturbances Unit of the Hospital Clínic, in an article published in 2006. A new study published by the same team in Lancet Neurology applies neuroimaging techniques to identify patients with REM sleep disturbances who will develop neurodegenerative disorders over the short term.