Dysphoric affect and REM sleep

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Tested the hypothesis that manifest dysphoria indicates a special need for REM sleep; 127 undergraduates were Ss. Contrary to prediction, (a) dysphoric affect was not associated with heightened REM drive, (b) REM deprivation did not induce a greater increase in negative affect than did REM nondeprivation control awakenings, (c) postdeprivation sleep (recovery of REM) was not associated with a significant increase in positive affect, and (d) these predicted relationships were not more pronounced in sensitizers, individuals who are more apt to experience and report manifest dysphoria. The results provide no support for the hypothesis that REM sleep is especially important to the amelioration of dysphoric states. Nevertheless, the findings provide a framework for a critical reevaluation of the concept and operational definition of “REM need.” (19 ref) (PsycINFO Database Record (c) 2006 APA, all rights reserved)

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