What term do sleep researchers use to designate stages 1-4 of sleep?
A)REM sleep
B)Non-REM sleep
C)REMN sleep
D)Paradoxical sleep

Name: What term do sleep researchers use to designate stages 1-4 of sleep? A)REM sleep B)Non-REM sleep C)REMN sleep D)Paradoxical sleep
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Sleep researchers use the term "Non-REM sleep" to designate stages 1-4 of sleep. This terminology refers to the absence of rapid eye movements (REM) during this period of sleep.

What Term Do Sleep Researchers Use to Designate Stages 1-4