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January 1934

CYCLIC MANIFESTATIONS IN THE SLEEP CURVES OF PSYCHOTIC PATIENTS

Arch NeurPsych. 1934;31(1):149-151. doi:10.1001/archneurpsyc.1934.02250010161009
Abstract

Stiefler,1 in 1926, described the case of a man, aged 39, who had survived an eight-day attack of encephalitis epidemica and under treatment had made an almost complete recovery, when suddenly he began having periods of great restlessness and wakefulness lasting for two or three days, alternating with equal periods of sleepiness and general sluggishness. Stiefler thought that this peculiar cyclic change every fifth or sixth day might be related in some way to the pathologic condition of inverted sleep (Pfaundler2), usually found in encephalitis and shown at one time by this patient.

Campbell,3 in 1927, called attention to a youth, aged 19, who also had suffered from encephalitis and showed a regular six-day cycle in sleep and general behavior. Every two or three days for a year preceding Campbell's report this youth had fallen into a deep sleep from which he usually could not be aroused;

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