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This Czechoslovakian monograph is well organized and is a valuable contribution. It summarizes present-day views on the physiology of sleep, accepting the description of the electroencephalographic pattern of the five stages of sleep of Loomis, Harvey, and Hobart, but subdividing these authors' second stage into three parts and observing that (a) after a deep inspiration the sleep-activity patterns of the EEG are replaced by waking patterns and (b) sleep patterns may be focal in onset. The symptomatology and classification of disturbances of sleep and wakefulness are discussed. The author reports his study of 104 patients with essential narcolepsy, stressing the highly imperative nature and the short duration of narcoleptic paroxysms, the age at onset, and the course. From his own observations on patients and their EEGs, he concludes that a narcoleptic paroxysm is indistinguishable from physiological sleep.
Seventy of his one hundred four narcoleptic patients also had cataplectic paroxysms, characterized
Simons DJ. Narkolepsie a hypersomnie s hiediska fysiologie spanku (Narcolepsy and Hyposomnia from the Aspect of the Physiology of Sleep). AMA Arch NeurPsych. 1958;80(1):63–64. doi:10.1001/archneurpsyc.1958.02340070081013
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