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Recurrence Of Cluster Headaches Presenting With A Virtually Painless Horner's Syndrome.
Published 1995 · Medicine
Figure 2 Top: PSG patterns: (A) Wake time. (B) A 50% or more decrease of alpha activity and moderate decrease ofEMG acti'vity. (C) Delta activity more than 20% with greater decrease ofEMG activity. Bottom: hypnogram of the PSG study corresponding to 23 hour sleep period. During the night, from 2300 to 0700, the percentage of different stages was: stage A: 62-4%, stage B: 9-2%, and stage C: 28-4%. During the day the percentage of different stages was: stage A: 94-9% and stage B: 5-1%