Somnambulism: All-Night Electroencephalographic Studies

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Science  14 May 1965:
Vol. 148, Issue 3672, pp. 975-977
DOI: 10.1126/science.148.3672.975


Using special techniques allowing for subject mobility, we obtained continuous electroencephalographic recordings of known sleepwalkers. Somnambulistic incidents occurred during periods of slow-wave sleep. The incidents were not related temporally to dream periods, nor did they affect the total time or the percentage of time spent dreaming during the nights on which the subjects were studied.

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