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==Explanation==
 
==Explanation==
[[Cueball]] claims that humans are driven by their curiosity, which is never-ending. [[Megan]] responds by noting that everyone spends approximately eight hours per day in an unconscious state of {{w|sleep}}, but no one has yet pinned down the biological purpose of sleep. Despite this obvious mystery, most people aren't "losing sleep over it." This implies that Cueball's observed curiosity has a perceptible and proximate limit.
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Cueball claims that humans are driven by their curiosity, which is never-ending. This appears to be a riff on the recurring philosophical question of what separates humanity from the rest of the animals.  [[Megan]] answers this blanket statement by observing an apparent paradox:  Everyone spends approximately eight hours per day in an unconscious state of sleep, but no one has yet discovered the biological purpose of sleep. This implies that every member of the human species is confronted daily with a mystery, yet no one "loses sleep over it"—that is, almost no one is distracted by this mystery. This implies that Cueball's observed curiosity has a perceptible and proximate limit.
  
This is not to suggest that scientists ''aren't'' researching sleep; scientists frequently conduct {{w|Sleep study|sleep studies}} — we just haven't found any satisfactory answers yet. Some popular hypotheses are to allow the brain a period to consolidate memories and to give the body a chance to repair itself.
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It should be noted that many scientists are in fact busily investigating the reasons that humans sleep, although that inquiry has not resulted in satisfying answers. Some offered explanations are: to avoid nocturnal predators, to give the body a chance to repair itself, and to allow the brain a period to sort out long-term from short-term memories.
  
The title text quotes {{w|William Dement}}: people sleep "because we get sleepy." ([https://web.archive.org/web/20160618161328/http://ngm.nationalgeographic.com/2010/05/sleep/max-text Secrets of sleep]). This of course is dodging the underlying issue. That this non-explanation is the best answer that a leading sleep researcher can provide, shows how little anyone knows about the subject. This may be an oblique reference to the [[:wikt:dormitive principle|dormitive principle]] of the French playwright Molière, who created a satirical character who claimed to have discovered the answer to a popular question: The reason opium makes someone sleepy, said the character, a doctor, was that it contained a "dormitive principle" (i.e., something that makes someone sleepy).
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It should also be noted that "Which is why it keeps me awake all night" would have been a better punchline for Cueball than "touché."  
  
In [[203: Hallucinations]], Randall expressed similar surprise at the lack of interest in the nature of sleep.
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The tooltip makes a semi-tautological statement that people sleep only "because we get sleepy."  This is an example of question-begging, because getting sleepy only means that someone is feeling the urge to sleep. This may be an oblique reference to the French playwright Moliere [https://en.wiktionary.org/wiki/dormitive_principle], who created a satirical character who claimed to have discovered the answer to a popular question:  The reason opium makes someone sleepy, said the character (a doctor), was that it contained a "dormitive principle" (i.e., something that makes someone sleepy).
 
 
The phrase "and nobody knows why" is commonly appended to urban legends, as in [http://www.snopes.com/critters/wild/duckecho.asp A duck's quack doesn't echo, and no one knows why]. The implication is that something mysterious is going on and scientists are puzzled. [[1186: Bumblebees]] is another "nobody knows why" example.
 
  
 
==Transcript==
 
==Transcript==
 
:[Cueball and Megan are talking.]
 
:[Cueball and Megan are talking.]
:Cueball: Humans are defined by our curiosity, our hunger for answers.
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:Cueball: Humans are defined by our curiosity, our hunger for answer.
 
:Megan: We all spend a third of our lives lying down with our eyes closed and '''''NOBODY KNOWS WHY.'''''
 
:Megan: We all spend a third of our lives lying down with our eyes closed and '''''NOBODY KNOWS WHY.'''''
 
:Cueball: Touché.
 
:Cueball: Touché.
  
 
{{comic discussion}}
 
{{comic discussion}}
[[Category:Comics featuring Cueball]]
 
[[Category:Comics featuring Megan]]
 

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