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. 1975 Oct;15(5):399-403.
doi: 10.1016/0031-9384(75)90204-8.

REM sleep predicts subsequent food intake

J M Siegel

REM sleep predicts subsequent food intake

J M Siegel. Physiol Behav. 1975 Oct.

Abstract

REM sleep time in a 12 hr period was found to predict accurately food intake in the subsequent 12 hr period in undisturbed cats fed ad lib. In all but one of the cats, the correlation between REM sleep and subsequent food intake was negative. REM sleep was a better predictor of food intake than either waking, slow wave sleep or previous food intake. Cats were then fed only during the 12 hr day period. It was found that REM sleep at night, during which no food was available, no longer predicted food intake.

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Figures

FIG. 1.
FIG. 1.
Four samples of the EEG and EMG data used in scoring for sleep state. The top tracings in each pair show a SWS-REM sleep transition. Note the EMG and EEG suppression at REM sleep onset. Cortical PGO spikes are clearly visible as negative monophasic deflections (downward) during REM sleep in Cat 28. The lower tracing in each pair shows a REM sleep offset. Note disappearance of PGO activity and return of muscle tone. Scoring judgments of REM sleep onset and offset are indicated by vertical lines across tracings.
FIG. 2.
FIG. 2.
Data from the first recording session for Cat 25 in Experiment 1. Note the significant negative correlation between night REM sleep and food intake on the subsequent day (see Table 1).
See this image and copyright information in PMC

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