Neuropsychological performance in elderly insomnia patients

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Abstract
Elderly individuals with insomnia kept a daily sleep diary and were administered neuropsychological tests the morning after a full-night sleep laboratory recording. Subjective sleep disturbance (sleep diary) was related to performance on tests of vigilance, psychomotor speed, recall memory, and executive function. In contrast, objective sleep disturbance (sleep recording) was related to word list retention. the relationship of subjective sleep disturbance to neuropsychological function suggests that sleep perception and nonspecific psychological factors are important determinants of daytime performance in elderly insomniacs.