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 50 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?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

For a complete list of videos, visit our video library