computer-quizHow much do you know about sleep? See if you can answer these eight questions correctly. Check your answers below.

1. Most dreams occur

a)      At the beginning of the night

b)      In the middle of the night

c)       At the end of the night

2. We sleep most deeply

a)      At the beginning of the night

b)      In the middle of the night

c)       At the end of the night

3. In a sleep cycle, we move from light sleep to deep sleep and back to light sleep, and then into REM sleep. How many sleep cycles do we typically go through each night?

a)      2-3

b)      4-5

c)       6-7

4. Rapid eye movement (REM) sleep is when most dreams occur. During quiet (non-REM) sleep, the brain is mostly inactive. The 3 stages of non-REM sleep are stage 1 (very light), stage 2, and stage 3 (deep sleep). Healthy adults spend the greatest percentage of the night in

a)      Stage 2 sleep

b)      Deep sleep

c)       REM sleep

5. During deep sleep, there’s a spike in

a)      testosterone

b)      Melatonin

c)       Growth hormone

6. The pineal gland starts secreting melatonin

a)      About 2 hours before bedtime

b)      When it gets dark outside

c)       Just before we enter deep sleep

7. Which of the following is untrue? As we age,

a)      We get slightly more REM sleep

b)      We get less deep sleep

c)       Men experience more dramatic sleep stage changes than women.

8. Which is the most common sleep problem?

a)      Restless legs syndrome

b)      Insomnia

c)       Sleep apnea

 

ANSWERS

  1. C. About 80 percent of our dreams occur in the last half of the night.
  2. A. Deep sleep is discharged in the first half of the night.
  3. B. 4-5 cycles/night
  4. A. About 50 percent of the night is spent in stage 2 sleep.
  5. C. The production of growth hormone spikes during deep sleep.
  6. A. Melatonin secretion begins about 2 hours before bedtime.
  7. A. REM sleep slightly decreases as we age.
  8. B. Insomnia is the most common sleep problem.

How did you fare? Let me know if any of these answers need explaining.

Posted by Lois Maharg, The Savvy Insomniac

Lois Maharg has worked with language for many years. She taught ESL, coauthored two textbooks, and then became a reporter, writing about health, education, government, Latino affairs, and food. Her lifelong struggle with insomnia and interest in investigative reporting motivated her to write a book, The Savvy Insomniac: A Personal Journey through Science to Better Sleep. She now freelances as an editor and copy writer at On the Mark Editing.

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