Oxygen Consumption Rate and Electroencephalographic Stage of Sleep

Abstract
In five male subjects, and a total of 15 man-nights, oxygen consumption rate ( V O 2 ) was related to stage of sleep, as defined by electroencephalograms. Gross periodic variations which paralleled change in stage of sleep were discernible in analogue metabolic records. Computations revealed significant differences ( P < .01) between all stages with V O 2 highest in stage I REM (dreaming sleep), least in stages III and IV (deep sleep), and intermediate in stage II (light sleep).

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