Alpha EEG sleep and morning symptoms in rheumatoid arthritis.

Abstract

We studied the influence of disturbed sleep physiology on morning symptoms in 15 patients with classical rheumatoid arthritis (RA) who were experiencing an acute flare. All were found to have an alpha frequency (7 to 11.5 Hz) EEG sleep anomaly, an overnight increase in tenderness in their peripheral joints and in "fibrositic" regions, as well as increased weakness and diminished energy. One patient experienced remission in symptoms and improvement in sleep physiology. The morning symptoms may relate to a nonrestorative sleep disorder associated with the alpha EEG sleep anomaly.

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