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What stage is deep sleep, when it is difficult to wake you up? A. REM B. Stage 1 C. Stage 2 D. Stage 4
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16 votes
What stage is deep sleep, when it is difficult to wake you up?

A. REM

B. Stage 1

C. Stage 2

D. Stage 4

User Glytching
by
3.3k points

2 Answers

8 votes

Answer:

A

Step-by-step explanation:

REM

User Taeho Kim
by
3.6k points
4 votes

Answer:

stage 4

Step-by-step explanation:

User Miroslav Hrivik
by
3.6k points
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