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A character is bored or disinterested about learning something. Or he is just completely uninterested in a certain topic and doesn't understand why other people value it so much? Or he is just a mean person who doesn't understand why his behaviour is wrong. In all cases he doesn't care about the topic and even pokes fun at other characters for taking it so seriously.

Then he or she goes to sleep. Before he falls into unconsciousness he might even say: "I wish that certain person/event/product didn't exist." As he starts dreaming [[TalkingInYourDreams some legendary character arrives and provides the person with a lot of background information about the topic]]. Sometimes the dreaming ignoramus is put in the action himself. Or he sees a world where the [[BeCarefulWhatYouWishFor people or things he wished didn't exist now indeed don't exist, with catastrophical consequences]]. In any case he finally gains knowledge, respect and enthusiasm for a topic he originally knew nothing about.

When the character eventually awakes he makes a HeelFaceTurn. He is glad that it was AllJustADream and finally realizes the importance of learning math, respect for your country, respect for your ancestors, respect for people he formerly threatened or hurt, why a certain product is necessary,... and so on. In most cases he even becomes an vocal supporter of the cause.

This corny plot device was very popular in old educational films and tv series.

Compare DreamingTheTruth.
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!!Examples:
[[foldercontrol]]

[[folder: Film ]]

* Happens in the 1943 Film/CabinInTheSky, where a man who gambles too much has a DreamWithinADream where some angels and devils try to get his soul. As he awakes in real life he throws the dice away and swears to repent and devote his life to going to Church more often.
* Wayne's plan for Waynestock in ''WaynesWorld 2'' is the direct result of a dream with Jim Morrison telling him to set up a huge show in Aurora. Others he recruits also mention having the Jim Morrison dream later on.
* Basically the entire concept of the movie ''Film/{{Inception}}'', including the title, which refers to the act of specifically engineering an OpinionChangingDream for another person without them realizing it.
* Also the entire point of the film ''Film/{{North}}''. The titular character is annoyed with his parents until he wakes up from his dream and accepts them for who they are.
* This is one possible explanation for Coily in ''Film/ACaseOfSpringFever''.

[[/folder]]

[[folder: Literature ]]

* ''Literature/AChristmasCarol'': Ebenezer Scrooge hates Christmas and helping the needy. But after a long dream where he is visited by his late partner Jacob Marley's ghosts and then three more ghosts he changes his character completely and becomes a good person.
* One ''BerenstainBears'' book centered on [[GreenAesop environmentalism]] had Papa Bear go through one after he decided he didn't need to recycle or plant trees to replace the ones he cut down.
* The children's book ''JustADream'', a classic [[GreenAesop Green Aesop]], is entirely based on this idea. As in the above example, the main character is uninterested in environmentalism until he has a series of dreams showing what the world might be like if no one took care of the earth.

[[/folder]]

[[folder: Live Action TV ]]

* An episode of ''Series/SisterSister'' ("I Had A Dream" (1998)) features one of the sisters ridiculing the deeds of her African-American ancestors and is reluctant to carry on with her own miserable life. In her dream she is visited by several historical Afro-American characters who all claim they want to give up and do something else. She convinces them to do otherwise and do the historical deed that they are famous for. When she wakes up she respects her ancestors.
* In an episode of ''Cosby'', Creator/BillCosby's character Hilton Lucas is disinterested in studying Creator/WilliamShakespeare, until he has a dream where Shakespeare himself(played by Tom Conti) explains the relevance of his works. One notable CastingGag moment finds Lucas cast in the role of Theatre/KingLear, with Sabrina La Beauf(Sandra from ''TheCosbyShow'') as Gonreil. By the end of the episode he's much more interested in Shakespeare's plays.
* In the ''{{Series/Dinosaurs}}'' episode "And the Winner Is...", B.P. Richfield runs for Chief Elder and has Earl Sinclair run against him so Richfield would win. At first Earl is willing to lose, until he has a dream of [[CrapsackWorld a world run by Richfield]], where Earl's family is poor and minimum wage is lowered to a few cents. This dream inspires Earl to try harder to win. Later, when his popularity goes up but the family remarks that Earl might not be smart enough to make a good chief elder, Earl [[GenreSavvy refuses to sleep]] knowing he'll have a dream convincing him that he'll make a terrible chief elder. And he is right.
* In the Series/{{MASH}} episode "Dreams", several characters have dreams, and for some this seems to affect them.

[[/folder]]

[[folder: Mythology and Religion ]]

* In Literature/TheBible (Acts 10:9-23), Peter falls into a trance and sees many animals which were forbidden (unclean) for a Jewish person to eat. He is commanded by God to "kill and eat," but replies that he had never broken Jewish dietary laws before. God replies, "What God hath cleansed, that call not thou unclean." Peter learns from this to accept the Gentiles (non-Jewish people) as converts to Christianity and to no longer treat them as outsiders to the faith.

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[[folder: Video Games ]]

* A few days after firing Kyle in the prologue to VideoGame/LastWindow, Ed has a bizarre dream in which he found Kyle dead by the road. He decides not to take his chances and agrees to rehire Kyle if he can manage to prove himself.

[[/folder]]

[[folder: Western Animation ]]

* In the Pluto cartoon, [[PlutosJudgementDay "Pluto's Judgment Day"]], MickeyMouse punishes [[PlutoThePup Pluto]] for chasing a little kitten. Pluto then goes to sleep and has a nightmare where he is sent to Hell and tortured by several cats. When he awakes he changes his ways and acts gentle towards his feline friends.
* The PorkyPig cartoon ''OldGlory'' has Porky struggling to get through the Pledge of Allegiance. He falls asleep and is visited by Uncle Sam who tells him about the American War of Independence. Porky learns the value of American freedom and wakes up. Now he is able to recite the entire Pledge from memory.
* Subverted in the WesternAnimation/LooneyTunes short "Pigs Is Pigs", where Piggy is seen eating too much for his own good. When he goes to bed he has a nightmare where a scientist forcefeeds him. Eventually Porky has a BalloonBelly and eats one more piece of food before he explodes. After he wakes up, he still rushes downstairs to continue eating, having learned nothing!
* Another WesternAnimation/LooneyTunes example, "The Big Snooze" has Elmer Fudd [[NoFourthWall tearing up his Warner Brothers contract]] after being bested by BugsBunny one time too many. Bugs invades his dreams and induces [[DerangedAnimation a truly]] [[WhatDoYouMeanItWasntMadeOnDrugs bizarre nightmare]] as only Creator/BobClampett can produce, prompting Elmer to get back to work.
* The ''WesternAnimation/TomAndJerry'' cartoon "Heavenly Puss" shows Tom dying and going to Heaven. There he is told that he should go to Hell, but if he can make Jerry sign a contract of forgiveness he may enter Heaven. Tom goes through great lengths to do so, but in the end he fails and is cooked in Hell. Then it turns out it was AllJustADream and he hugs Jerry to become friends again.
* In ''WesternAnimation/SouthPark'':
** Mocked in "I'm A Little Bit Country" where Cartman acts as if he doesn't care about American history so that he can induce an opinion changing dream. He elaborately stages incidents that would render him unconscious so that he can have the educational dream and thereby avoid the bother of actually studying. After many amusing failed attempts, he succeeds.
** Played straight in "Cartoon Wars: Part I". At first, Kyle opposes Cartman's efforts to have the Family Guy episode pulled, but changes his mind after having a dream in which he sees his brother killed in a terrorist attack.
** Happens a second time with "Jewpacabra", where Cartman's tranquilizer-fueled dream of the Book of Exodus has such an effect that he '''converts to Judaism'''.
* In the ''WesternAnimation/KingOfTheHill'' episode "Trans-Fascism", Hank drives a lunch truck serving then-illegal trans-fat foods. At first he sees himself as a patriot for disobeying an unjust law. A dream featuring George Washington, Abraham Lincoln, and Tom Landry (on Landry's B-17 during World War II) in which they express their disapproval of Hank's actions gives Hank the strength to tell Buck that he wants out.
* ''WesternAnimation/{{Arthur}}'' featured this plot with Binky. Binky regularly does good deeds because he knows they're the right thing to do. He told a teacher to stop his friend from doing a dangerous stunt, [[BeingGoodSucks causing his friend to get detention and hate him, and doing so made him miss the wrestling special he wanted to watch]]. He resolved to stop doing good deeds until he had a dream where his favorite wrestler told Binky that doing good deeds was the best thing he ever did and the world would be a much worse place if he didn't do them.
* ''WesternAnimation/TheSimpsons'': In ''"Bart the Lover"'' Bart's class watches a 1950s educational film which has a young man foolishly wish that zinc didn't exist (?!), which proceeded to ruin his life because he couldn't (a) drive his zinc-less car to pick up his girlfriend for a date; (b) call his girlfriend to postpone their date with his zinc-less telephone; and (c) shoot himself in despair (as even the hammer in the gun was made of zinc). The young man is quick to regret his desire for a world without zinc ("Zinc! Come back!"); fortunately, it turns out to be AllJustADream. Then he happily states to be glad to live in a world of zinc.
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