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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.

[[folder: Anime And Manga ]]

* In the final episode of ''Anime/SandsOfDestruction'', while trapped in the Cave of Memories, Morte dreams of her family. While she desires to stay with them and forget the real world, they convince her that not only should she return to live life, but that the world doesn't need to be destroyed after all - just changed, through her life and what she accomplishes with her friends.
* At one point in ''Anime/LegendOfGalacticHeroes'', Reinhard von Lohengramm of the Galactic Empire contemplates grinding his rival and WorthyOpponent Yang Wen-li's battlefleet down via attrition with his overwhelming strength, but a visitation by [[spoiler:his dead friend Sigfried Kircheis]] convinces him to offer a cease-fire instead.


[[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.
* This is the 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: 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.
* In one of the ''Arabian Nights'' stories, a princess hates men because she dreamt about a male bird who left his mate to a birdcatcher, to save himself, after she had stayed behind to rescue him. A strange plot device, considering that the princess lives in a world where her father will ''execute'' her for losing her virginity ... it's not as if she needs a dream to have a low opinion of men. But, of course, her hate of men is easily remedied by telling her the truth about the end of that story; the hero (who, for some reason, had the ''same'' dream, tells her that the male bird was killed by a falcon before he could return.


[[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 ''Series/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.
* On ''Series/TheSopranos'', several characters have opinion changing dreams. Tony has one about Big Pussy which finally forces him to confront the truth that he had betrayed them, and has another after being seriously wounded that lasts several episodes.
* ''Series/{{Zoey 101}}'': Chase has one, leading him to return Zoey's DVD to the time capsule.
* Series/TheBradyBunch: In the episode ''[[Recap/TheBradyBunchS4E17BobbysHero Bobbys Hero]]'' Bobby becomes so fascinated with UsefulNotes/JesseJames that he brings a toy gun to school and makes his teachers and parents very concerned. Eventually an OpinionChangingDream in which he imagines himself part of James' gang makes him change his mind, especially when James murders his entire family in cold blood.
* PunkyBrewster renounces Valentine's Day, then that night dreams she's a lonely old spinster. When she wakes up, her opinion on Valentine's Day in regards to boys doesn't change (she's a tomboy at this stage), but she does share Valentine's Day love with Henry.
* An episode of Series/NowAndAgain has the main character Michael Wiseman complaining about a need for reading material which is dismissed as unimportant by Dr. Morris, only for him to then dream that the nanotech used to maintain the artificial body Michael's brain is in that the doctor created have run amock and begun eating all the printing ink off of all paper in the world including money. After witnessing the apocalyptic loss of all printed works from the world when he wakes and realizes it was a dream he changes his mind and begins making reading material available to Michael.


[[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.


[[folder: Theatre ]]

* In ''Theatre/GuysAndDolls'', during the scene when the gamblers are attending the revival at the Save-A-Soul mission because Sky won a bet, Nicely-Nicely Johnson recounts a dream he had that turned him from his wild gambling ways, "Sit Down, You're Rocking the Boat". (Clip from the 2011 Broadway revival is [[https://www.youtube.com/watch?feature=player_embedded&v=bnzSSPP4mGE#t=0 here]]; the film version (performed by Stubby Kaye) is [[https://www.youtube.com/watch?v=lCfGjUfXUIE here]].) The trope is subverted, in that Nicely didn't change his ways and may not (probably didn't, in fact) even have such a dream at all.
* In ''Theatre/FiddlerOnTheRoof'', after Tevye decides to cancel the ArrangedMarriage between his daughter Tzeitel and the elderly drunk Lazar Wolfe, he realizes that his wife will not accept the decision without some spiritual reason underlying it, so he pretends to have a dream in which he is confronted by the vengeful ghost of Lazar's late wife, who threatens to haunt and kill Tzeitel if the marriage goes forward.


[[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: Western Animation ]]

* In the Pluto cartoon, Disney/PlutosJudgementDay, 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.
* ''WesternAnimation/LooneyTunes'':
** The ''WesternAnimation/PorkyPig'' cartoon ''WesternAnimation/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 "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!
** "WesternAnimation/TheBigSnooze"" has Elmer Fudd [[NoFourthWall tearing up his Warner Brothers contract]] after being bested by WesternAnimation/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.
* An episode of ''WesternAnimation/SagwaTheChineseSiameseCat'' centers around a conflict between Dongwa and his father, Baba. They both come from a family of cats that have primarily been scribes, but Dongwa is more interested in practicing kung fu than in doing his "scrolls" homework. When Dongwa coaxes his sister Sagwa into doing his work for him, Baba finds out and scolds them. But when Baba goes to bed, he has a nightmare that flashes back to ''his'' younger days, when he wanted to play outside but his grandfather insisted on him doing his scrolls. The next morning, partially due to this, Baba and Dongwa are able to reach a compromise: writing is still an important tradition, but Baba will give Dongwa less scrolls to do so Dongwa doesn't have to think of it as work, and Dongwa can use the additional spare time to practice kung fu.


[[folder: Real Life ]]

* In [[TheFifties the early 1950s]], Creator/LucilleBall had grave doubts about adapting her popular radio sitcom, ''My Favorite Husband'', for the new and untested medium of television... until she had a dream in which her close friend, Carole Lombard (who had been dead since 1942), told her to "give it a whirl". She did, and you may have heard of the resulting series: ''Series/ILoveLucy''.
* [[http://www.imdb.com/title/tt0104940/trivia?item=tr0659078 According to IMDb]], Steve Whitmore was incredibly nervous when taking over as Kermit the Frog for ''Film/TheMuppetChristmasCarol'' (the first Muppet project since the death of Jim Henson). He felt more confident after having a dream where he met Henson in a hotel lobby and talked about his fears, which Henson assured him would pass.