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Circadian Rhythms and Sleep Biology

Learn about the science behind sleep-wake cycles, including biological clocks, circadian rhythms, melatonin, and factors like jet lag and caffeine that affect sleep patterns.

6 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Challenge Question: This region of the brain acts as the body's master clock:

  1. nucleus accumbens
  2. nuclear cortex
  3. suprachiasmatic nucleus
  4. super-charismatic rubicon
Question 2 Multiple Choice (Single Answer)

Your internal circadian rhythm, or _______________, influences when you like to go to sleep.

  1. caffeine
  2. chronotype
  3. sensory receptor
  4. teddy bear
Question 3 Multiple Choice (Single Answer)

Jet lag is a disruption of a person’s circadian rhythms from long-distance travel.

  1. True
  2. False
Question 4 Multiple Choice (Single Answer)

What is melatonin?

  1. A moon orbiting Saturn
  2. 12 hours of sleep
  3. A hormone in your body that plays a role in sleep
  4. A Canadian rapper
Question 5 Multiple Choice (Single Answer)

Caffeine is a sedative and makes you sleepy.

  1. True
  2. False
Question 6 Multiple Choice (Single Answer)

What are biological clocks?

  1. An organism's innate timing devices
  2. Very expensive wrist watches
  3. When your body feels most awake during the day
  4. When biology class happens
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