× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
G
4
K
3
o
3
m
2
c
2
r
2
p
2
s
2
s
2
b
2
c
2
R
2
New Topic  
ayother ayother
wrote...
Posts: 615
Rep: 0 0
6 years ago
A single cycle of non-REM and REM sleep lasts about
 
  a. 10 minutes.
  b. 30-40 minutes.
  c. 90 minutes.
  d. 360 minutes.
  e. 8 hours.
Read 63 times
1 Reply
Replies
Answer verified by a subject expert
jonjon2019jonjon2019
wrote...
Top Poster
Posts: 778
Rep: 5 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

ayother Author
wrote...

6 years ago
this is exactly what I needed
wrote...

Yesterday
You make an excellent tutor!
wrote...

2 hours ago
Thanks for your help!!
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  1044 People Browsing
Related Images
  
 566
  
 241
  
 1753
Your Opinion
Who's your favorite biologist?
Votes: 587