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

Author Question: For a normal person, about how long does a cycle of sleep (from stage 1 to stage 4 and back again) ... (Read 38 times)

Mr.Thesaxman

  • Hero Member
  • *****
  • Posts: 514
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



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kaylee05

  • Sr. Member
  • ****
  • Posts: 318
Answer to Question 1

b

Answer to Question 2

c





 

Did you know?

Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Did you know?

Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

For a complete list of videos, visit our video library