This topic contains a solution. Click here to go to the answer

Author Question: In one study, volunteers gradually reduced the number of hours that they slept each night, until ... (Read 87 times)

HudsonKB16

  • Hero Member
  • *****
  • Posts: 535
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.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

jlaineee

  • Sr. Member
  • ****
  • Posts: 380
Answer to Question 1

Answer: C

Answer to Question 2

Answer: C





 

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

For a complete list of videos, visit our video library