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What happens if you don't sleep?
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True or False: Scientists believe the suffering from sleep deprivation is caused by the brain running out of energy.
False. It's caused by the accumulation of waste products.
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What is the name of the brain's "cleanup mechanism" that is very active during sleep?
The glymphatic system.
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True or False: The video states that adults need about 10 hours of sleep per night.
False. It says adults need 7-8 hours; adolescents need 10.
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The video says that being sleep-deprived can impair your mood, memory, and what other critical ability?
Reaction time.
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What is one thing that happens to our body when chemicals like adenosine and melatonin are released to induce sleep?
Breathing slows, heart rate slows, or muscles relax.
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What is the name of the rare, fatal genetic disease that stops a person from being able to sleep?
Fatal Familial Insomnia or FFI.
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Fact or fiction: During sleep, your body can repair itself, even dna.
Fact.
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The video links chronic sleep deprivation to which two serious health conditions?
Diabetes and obesity.
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Fact or fiction:t the video says that not getting enough sleep can make you feel moody.
Fact.
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How old was Randy Gardner when he conducted his sleep deprivation experiment?
17 years old.
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What year did Randy Gardner's experiment take place?
1965.
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Complete: The glymphatic system uses cerebrospinal fluid to ...
flush away toxic waste from the brain.
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Fact or fiction: the rare sleep disease mentioned in the video makes people sleep for weeks.
Fiction.
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Name two negative effects Randy Gardner experienced during his experiment.
Any two of the following: moodiness, trouble focusing, memory problems, paranoia, hallucinations.
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How many days in a row did Randy Gardner stay awake?
11 days / 264 hours
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The video describes a genetic mutation as a "nightmarish state of..." what?
Wakefulness.
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