Beginning of Essay
FMS () is a widespread musculoskeletal pain and fatigue disorder for which the cause is unknown. Fibromyalgia means pain in the muscles, ligament and tendons. FMS used to be call fibrositis, meaning it was an inflammation of muscles, but researchers then found i ....

Middle of Essay
.... in which patients feel totally drained of energy. This can lead to difficulty concentrating. Most fibromyalgia patients have an associated sleep disorder called the alpha-EEG anomaly. This condition was uncovered in a sleep lab with the aid of a machine which recorded the brain waves of patients during sleep. Researchers found that patients could fall asleep without much trouble, but their deep level (or stage 4) sleep was constantly interrupted by bursts of awake-like brain activity. Patients appeared to spend the night with one foot in sleep and the other one out of it. In most cases, a physician doesn't have to order expensive sleep lab ....