According to Leon Chaitow, "A survey of over 1,000 patients with fibromyalgia syndrome (FMS) and Chronic Fatigue Syndrome (CFS) showed that prior to their illness fewer than 1% had disturbed sleep, whereas during their illness this rose to over 90%.
Sleep disturbance is a key feature of both CFS (ME) and FMS with hormonal influences which have wide repercussions. Consultant psychiatrist Dr. Peter White, of London’s St. Bartholomews’ Hospital, states "We know that two thirds of CFS patients have sleep disorders."
(Source: www.ImmuneSupport.com. Read complete article at http://www.immunesupport.com/library/showarticle.cfm/id/4516)