[Adaptation to the sleep laboratory in normal subjects and neuropsychiatric patients (author's transl)].
[Adaptation to the sleep laboratory in normal subjects and neuropsychiatric patients (author's transl)].
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Original abstract
In 86 subjects (11 healthy persons, 8 suffering from autonomic instability, 11 from endogenous psychosis, 30 from cerebral circulatory disturbances, 26 parkinsonian patients) the problem of adaptation to the sleep laboratory and the persistence of adaptation was investigated. In healthy subjects, less pronounced in patients suffering from autonomic instability, marked, statistically significant differences could be found between the first and second night. In addition there was a further increase in the amount of rapid eye movement (REM)-sleep from the second to the third night. In the other groups a very retarded, or even an absence of, adaptation could be revealed. Adaptation, once gained, outlives an interruption of registration of several weeks and is more marked in healthy subjects than in other groups.