In one study, volunteers gradually reduced the number of hours ...

[HudsonKB16]

In one study, volunteers gradually reduced the number of hours that they slept each night, until they felt that they had reached their limit. On the average, this limit was
 
  A) 45 minutes.
  B) 2 hours.
  C) 5 hours.
  D) 6.5 hours.
  E) 7 hours.

Question 2

A polyphasic sleep cycle is one in which the individual regularly sleeps
 
  A) once every 24 hours.
  B) once every 24 hours, but sometimes in the day and sometimes in the night.
  C) more than once every 24 hours.
  D) three times or more every 24 hours.
  E) in two or more different advanced phases.

[jlaineee]

Answer to Question 1

Answer: C

Answer to Question 2

Answer: C

[HudsonKB16]

Thank you!

[jlaineee]

Happy to help