13,180 views
3 votes
3 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 Mihawk
by
3.2k points

2 Answers

12 votes
12 votes

Answer:

A

Step-by-step explanation:

REM

User Samjaf
by
3.2k points
20 votes
20 votes

Answer:

stage 4

Step-by-step explanation:

User Shanee
by
2.5k points