THE EFFECTS OF STAGE FOUR SLEEP DEPRIVATION1

Journal/Book: Electroenceph. clin. Neurophysiol. 1964 17: 68-70. 1964;

Abstract: Department of Psychology College of Arts and Sciences and Department of Psychiatry College of Medicine University of Florida Gainesville Fla. (U.S.A.) Accepted for publication: September 16 1963 1 This work was supported by Air Force Office of Scientific Research Grant No. AF-AFOSR-62-13 and in part by The Foundations Fund for Research in Psychiatry. SUMMARY AND CONCLUSIONS 1. Individuals may be deprived of stage 4 sleep without a deprivation of the quantitative amount of sleep i.e. they may be "moved" from stage 4 sleep into other stages of sleep without awakening. 2. The "movement" of sleep in this experiment did not occur consistently into any other stage. 3. Such deprivation of stage 4 sleep results in a significant increase in this type of sleep during a recovery night. These results particularly the latter would suggest a requirement for this type of sleep. When comparing our results with the Dement study we might also describe our findings as suggestive of a psychic need or propose that "stage 4 deprivation" results in a requirement for sleep associated with this type EEG activity. We prefer the latter interpretation. ___MH

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