Moon-struck persons. The Romans believed that the mind was affected by the moon, and that “lunatics” were more and more frenzied as the moon increased to its full. (SeeAvertin.)
“The various mental derangements … which have been attributed to the influence of the moon, have given to this day the namelunatics to persons suffering from serious mental disorders.”—Crozier: Popular Errors, chap. iv. p. 53.