According to the National Institute of Neurological Disorders and Stroke, over 40 million Americans suffer from a chronic sleep disorder.  I dare say a fair percentage of them are probably fibromyalgia patients. 

In addition to pain and fatigue, sleep dysfunction is one of the primary symptoms of fibromyalgia.  More than 75% of people diagnosed with FM have difficulty falling asleep, staying asleep and/or awakening from sleep feeling rested and refreshed.

In studies where healthy people were...