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It now has become conventional to consider REM ("paradoxical") and non-REM (
NREM or "orthodox") sleep as qualitatively different. Thus, the earlier assumption
that sleep is a unitary and passive state has yielded to the viewpoint that there ...
In terms of subjective response, recently awakened sleepers often describe REM
sleep as having been "deep" and NREM sleep as having been "light." The
subjectively felt depth of REM sleep may reflect the immersion of the sleeper in
metabolic requirements may find partial compensation in periodic decreases in
body temperature and metabolic rate (i.e., during NREM sleep). Thus, the parallel
evolution of temperature regulation and NREM sleep has suggested to some ...
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The New Encyclopaedia Britannica (Encyclopaedia)User Review - Not Available - Book Verdict
For virtually all its 238 years,Britannica has ruled the shelves as a peerless general encyclopedia. Reviewers have consistently given it high marks for most of the 12 criteria identified inKister's ... Read full review
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