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Sleep Science

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Date: 

Instructions: How much do you know about the science of sleep and dreams?

  1. 1.

    What does REM stand for in the sleep cycle?

    A
    Relaxed Energy Mode
    B
    Rapid Eye Movement
    C
    Restful Evening Mode
    D
    Recurrent Energy Motion
  2. 2.

    How many stages of sleep are there in one complete sleep cycle?

    A
    Two
    B
    Five
    C
    Four
    D
    Three
  3. 3.

    What hormone does the brain produce to make you feel sleepy?

    A
    Melatonin
    B
    Adrenaline
    C
    Dopamine
    D
    Cortisol
  4. 4.

    What is the body's internal 24-hour clock called?

    A
    Sleep cycle
    B
    Metabolic clock
    C
    Circadian rhythm
    D
    Biorhythm
  5. 5.

    During which stage of sleep does the body do most of its physical repair and growth?

    A
    Stage N1 (light sleep)
    B
    Stage N2
    C
    REM sleep
    D
    Stage N3 (deep sleep)
  6. 6.

    What is insomnia?

    A
    Sleeping too much
    B
    Sleeping during the day
    C
    Difficulty falling or staying asleep
    D
    Walking in your sleep
  7. 7.

    What sleep disorder causes a person to stop breathing repeatedly during sleep?

    A
    Insomnia
    B
    Narcolepsy
    C
    Sleep apnea
    D
    Restless leg syndrome
  8. 8.

    Most vivid dreams occur during which stage of sleep?

    A
    REM sleep
    B
    Stage N1
    C
    Stage N2
    D
    Stage N3
  9. 9.

    What is the average number of sleep cycles a person goes through per night?

    A
    1-2
    B
    8-10
    C
    4-6
    D
    3-4
  10. 10.

    What is sleep paralysis?

    A
    A type of coma
    B
    Temporary inability to move while falling asleep or waking up
    C
    Permanent muscle damage from sleeping wrong
    D
    A form of sleepwalking
  11. 11.

    What effect does blue light from screens have on sleep?

    A
    It improves sleep quality
    B
    It suppresses melatonin production
    C
    It has no effect on sleep
    D
    It increases deep sleep
  12. 12.

    What condition causes people to suddenly fall asleep during the day, even in the middle of activities?

    A
    Chronic fatigue syndrome
    B
    Jet lag
    C
    Narcolepsy
    D
    Hypersomnia
  13. 13.

    As people age, how does their sleep typically change?

    A
    They need more sleep
    B
    They sleep more soundly
    C
    They stop dreaming
    D
    They experience less deep sleep
  14. 14.

    What is the term for the body's decrease in temperature that helps initiate sleep?

    A
    Hypothermia
    B
    Thermal dipping
    C
    Thermoregulation
    D
    Core cooling
  15. 15.

    What is a 'power nap' typically defined as?

    A
    A 2-hour afternoon sleep
    B
    A 10-20 minute nap
    C
    Sleeping in on weekends
    D
    A full sleep cycle nap

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