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Jermain_ Jermain_
wrote...
On Hiatus
Posts: 6410
10 years ago
In which stage of sleep are delta waves first apparent?
A) REM sleep
B) Stage 1
C) Stage 2
D) Stage 3
E) Stage 1 and Stage 2
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Replies
wrote...
Educator
9 years ago
D) Stage 3
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