[Answered] For a normal person, about how long does a cycle of sleep (from stage 1 to stage 4 and back again) ...

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Author Question: For a normal person, about how long does a cycle of sleep (from stage 1 to stage 4 and back again) ... (Read 136 times)

Mr.Thesaxman

Hero Member
Posts: 514

on: Jun 22, 2018

For a normal person, about how long does a cycle of sleep (from stage 1 to stage 4 and back again) last?

a. 10 minutes
b. 90 minutes
c. 4 hours
d. 7 hours

Question 2

After entering stage 4 for the first time each evening, the sleeper typically ____.

a. returns immediately to stage 1
b. enters REM
c. cycles back through stages 3 and 2
d. wakes up

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kaylee05

Sr. Member
Posts: 318

Reply #1 on: Jun 22, 2018

Answer to Question 1

b

Answer to Question 2

c

Mr.Thesaxman

Hero Member
Posts: 514

Reply #2 on: Jun 22, 2018

Thank you

kaylee05

Sr. Member
Posts: 318

Reply #3 on: Jun 22, 2018

No problem

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Author Question: For a normal person, about how long does a cycle of sleep (from stage 1 to stage 4 and back again) ... (Read 136 times)

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