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Abstract To investigate the effects of sleep deprivation on medical interns, an electrocardiographic arrhythmia-detection task and questionnaires assessing mood and subjectively perceived psychophysiologic state were administered. In comparison to their performance when rested, interns deprived of sleep were significantly less able to recognize arrhythmias on the electrocardiographic task. Mood was significantly affected by sleep loss; deprived interns felt increased sadness and decreased vigor, egotism and social affection. In addition, numerous psychopathologic symptoms developed, and they judged themselves to have abnormalities in cognitive, perceptual and physiologic areas of function. It is apparent that interns deprived of normal sleep may experience transient psychopathology and impaired efficiency of performance.
Friedman et al. (Thu,) studied this question.
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