× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
L
4
d
4
3
k
3
k
3
j
3
k
3
b
3
f
3
b
3
d
3
h
3
New Topic  
dillosunion dillosunion
wrote...
Posts: 776
Rep: 0 0
6 years ago
Which statement is true of sleep?
 
  a. Most of the night is spent in the deepest level of sleep (stage 4).
  b. One spends an hour or two at each stage in turn, spending the last few hours at stage 4 and then at REM.
  c. One passes through all stages of sleep, including REM, several times in a normal night.
  d. One goes through stages 1, 2, 3, and 4, in order, then alternates randomly between stages 1, 2, and 3.
Read 85 times
1 Reply
Replies
Answer verified by a subject expert
julieh2180julieh2180
wrote...
Top Poster
Posts: 964
Rep: 4 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

dillosunion Author
wrote...

6 years ago
Thanks
wrote...

Yesterday
Correct Slight Smile TY
wrote...

2 hours ago
You make an excellent tutor!
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  1089 People Browsing
Related Images
  
 269
  
 886
  
 559
Your Opinion
Which industry do you think artificial intelligence (AI) will impact the most?
Votes: 405

Previous poll results: Do you believe in global warming?