[[quoteright:190:[[Manga/{{Gintama}} http://static.tvtropes.org/pmwiki/pub/images/kerai/1142771013043-resize.gif]]]]

->'''Greaper''': He's sleeping.\\
'''Dry Bones''': Boy, he sure is.\\
'''The Big Boo''': Check those bubbles coming out of his nose!
-->-- '''The 3 Musty Fears''', ''[[VideoGame/SuperMarioRPG Super Mario RPG: Legend of the Seven Stars]]''

Particular to Anime: When sleeping, a character whose primary thrust is comedic develops a bubble of snot from one nostril that inflates and deflates in sync with their breathing or their snoring. Basically the anime equivalent of the '[[CatchingSomeZs Zzz]]' used in Western cartoons and comics. While usually considered a [[{{Squick}} pretty gross concept]] in the West, Japanese media tends to portray it as cute.

The bubble bursts upon awakening. In some cases, it is shown that you can awaken the character by popping it.

See also CatchingSomeZs for more universal version of sleep representation.
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!!Examples:

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[[folder: Anime ]]

* Louie in several episodes of ''RuneSoldierLouie''.
* Chu-chu in ''RevolutionaryGirlUtena''.
* Tatewaki Kuno, his father Principal Kuno, and Genma Saotome are all shown asleep with snot bubbles during the fourth season of ''[[RanmaOneHalf Ranma 1/2]]''.
* Charmeleon/Charizard in ''{{Anime/Pokemon}}''
** In one episode of Pokémon Black and White, when Ash battles Alder, Alder gets this when Alder falls asleep in the middle of the battle, which angers his Bouffalant, resulting in Bouffalant to knock out Alder instead of Ash's Pikachu.
** Throughout the series, some of the characters have this. In one epsiode, Ash's Pikachu gets this after falling asleep due to it being hit by a Hypnosis attack, and a Snorlax also gets one in a Pikachu Short.
** Also, in one episode of Pokemon Best Wishes Decolora Adventure!, a Metapod also gets one several times before evolution. [[http://www.serebii.net/anime/pictures/bestwishes/791ps7.shtml Just look at this.]]
* Oro, one of the most powerful martial artists in the world of ''Street Fighter'', taunts by temporarily falling asleep with a snot bubble.
* Common occurrence with Nobita in ''{{Doraemon}}''.
* In the ''GhostInTheShellStandAloneComplex'' {{Omake}} ''Tachicomatic Days'', the Tachikomas often get snot bubbles, despite being completely mechanical and not having anything resembling a nose.
* In ''DigimonAdventure'' (episode eleven), Gomamon says that a snot bubble means that the digimon is easy to fool. He proceeds to throw a rock at it to pop it, rather than at the Digimon itself...
* [[SmallAnnoyingCreature Ko]][[SleepModeSize tengu]] gets a snot bubble in ''[[HarukanaruTokiNoNakaDe Harukanaru Toki no Naka de - Hachiyou Shou]]'' OAV "Omoi no Arika". He wakes up when the bubble bursts.
* In ''Manga/KatekyoHitmanReborn'', the titular character does this often, along with his pet chameleon Leon. He also falls asleep at the most inappropriate times. Colonnello also does this (it helps that he and Reborn knew each other when they were kids, well... before they became kids) and Tsuna does this occasionally.
* In ''Manga/FullmetalAlchemist'', Sloth drops off to sleep for a few seconds and instantly develops one.
* Mori in episode 13 of ''OuranHighSchoolHostClub''.
* One scene in ''Manga/BlackCat'' featured [[StalkerWithACrush Creed]] using Shiki's insects as spy cameras to watch Train as he sleeps. As he's sleeping Train does this.
* Ginga did this in the earlier episodes of ''MetalFightBeyblade''.
* France does this when he fell asleep during an Allies meeting in ''Axis Powers Hetalia''.
* Koizumi of ''LovelyComplex'' does this in episode 1 during the entrance ceremony.
* This trope's been in use for a long time. Happened in at least one episode of the 1960s ''{{Gigantor}}'' series.
* Many characters in ''OnePiece'', including Luffy.
* Nano from ''{{Nichijou}}'', sometimes, despite the fact that [[RidiculouslyHumanRobot she's a robot]].
* Mojo Jojo has one of these in the second act of the second episode of Demashita!PowerpuffGirlsZ. Momoko/Blossom pops it with a pin, causing him to wake up.
..
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[[folder: Comic Books ]]

* The ''Super Mario World'' comic series that was featured in ''Magazine/NintendoPower'' during the 90s had Luigi make use of this phenomenon.
* Apple Bloom does this in one of the [[MyLittlePonyMicroSeries My Little Pony: Micro Series]] comic books.
* Koko and Jodo both does this in ''Koko the Blue''.

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[[folder: Video Games ]]

* [[SonicAdvanceTrilogy Tails]] will get this if you press Up in Sonic Advance 2.
* Overlord Babylon in ''MakaiKingdom'', a huge dragon who once had enough power to rule the universe, often falls asleep with a snot bubble.
* Gaspar, the Guru of Time from ''VideoGame/ChronoTrigger'', is always asleep with a snot bubble whenever the party visits him at the End of Time.
* In ''VideoGame/LittleNemoTheDreamMaster'', the animals that can be bribed with candies fall asleep with snot bubbles, even those that have ''no nose'', like a bee or a hermit crab.
* One of the minigames in [[VideoGame/WarioWare Wario Ware: Twisted]] involves timing a button press to pop a snot bubble. In the overseas version, it was changed to popping a blown bubble from chewing gum.
* ''Franchise/SuperMarioBros'':
** Seen in ''VideoGame/SuperMarioRPG'', whenever one of your characters was affected with the "sleep" status. This was {{Lampshaded}} in a scene where three ghosts visit Mario while he's asleep. They argue over whether he's truly asleep, until one of them points out the bubble coming from his nose.
** The Piranha Plants in ''VideoGame/SuperMario64'' are usually asleep with a snot bubble, until you wake them up.
*** Yoshi is seen sleeping on the roof of Peach's Castle with a snot bubble in the opening cutscene for ''[[UpdatedRerelease Super Mario 64 DS]]''. The camera Lakitu wakes up Yoshi by popping the bubble, after somehow managing to move him from the roof of the castle to the ground without waking him. Leaving his {{Idle Animation}} on for too long has him fall asleep with one as well.
** In the ''MarioParty 2'' minigame "Sneak 'N Snore", the Chain Chomp has this while he is asleep and it pops just before he wakes up.
** The ''VideoGame/PaperMario'' games have a RunningGag of showing Mario with one when falling asleep listening to the overly long stories told by Merlon and his family. The [[VideoGame/PaperMario64 first game]] also shows the Clubba enemies in Tubba Blubba's Castle with these, serving as a convenient tell for whether or not they've detected you.
** ''VideoGame/MarioAndLuigi'':
*** One of the enemies in ''[[VideoGame/MarioAndLuigiBowsersInsideStory Mario & Luigi: Bowser's Inside Story]]'', the Naplock, can actually attack you with its snot bubbles.
*** The Japanese box art for ''[[VideoGame/MarioAndLuigiDreamTeam Mario & Luigi: Dream Team]]'' has Luigi with a snot bubble, while the American box art simply has "Zzz".
* The Maku Tree from ''[[VideoGame/TheLegendOfZeldaOracleGames The Legend Of Zelda: Oracle of Seasons]]'' spends most of the game sleeping in this manner; to talk to him, you have to pop the bubble and wake him up.
* [[StandardStatusEffects Sleep]] was shown like this ''VideoGame/FinalFantasyV''. ''VideoGame/FinalFantasyVII'' used Z's instead.
* The appropriately-nicknamed "Sleepy" in ''{{Okami}}'' pretty much always has one.
* The Boat Shop Caretaker in the fourth case of ''PhoenixWrightAceAttorney'' falls asleep ''on the witness stand'' with a snot bubble every single time someone stops talking to him.
** Cammy Meele in ''[[AceAttorneyInvestigations Investigations]]'' does this, when she falls asleep with her hair covering her face. [[spoiler:It's shown later that it's actually caused by a bubble pipe.]]
* All the player-controlled critters in ''VideoGame/{{Cubivore}}'' develop a snot bubble when they sleep, even retaining it for a few seconds after they wake up.
* Sleeping characters in ''LocoRoco'' have that kind of bubble.
* 1-up's IdleAnimation from ''VideoGame/{{Stinkoman 20X6}}''.
* In ''VideoGame/{{Mother 3}}'', Duster sleeps with one when he is first introduced.
* KatamariDamacy
* In ''VideoGame/{{Pokemon X and Y}}'', sometimes, upon launching Pokemon Amie, instead of the CatchingSomeZs trope, you will find your Pokemon in a different sleeping position. With Froakie, though, the left bubble on its nose is treated like a snot bubble.
* The LoadingScreen in ''VideoGame/BombermanJetters'' depicts Bomberman with a snot bubble which bursts when the loading's over. From the LetsPlay:
-->'''[=BigTUnit1=]''': What's it coming out of? He has no holes! "It's coming out of my cheek!"
* Blastoise's sleeping sprite in ''VideoGame/PokemonMysteryDungeon'' has Blastoise with this.

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[[folder: Web Comics ]]

* ''{{Tailsteak}}'' [[http://www.tailsteak.com/archive.php?num=274 explains it all]].

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[[folder: Western Animation ]]

* Beast Boy in the {{Animesque}} ''WesternAnimation/TeenTitans'' could constantly be found snoozing in this manner.
* Dutch cartoon Boes has the starring lazy Oxen do this ''every time'' he falls asleep.
* Has happened to Ed in ''WesternAnimation/EdEddNEddy'' on at least one occasion, it causes him to float away.
* King Koopa does this in an episode of WesternAnimation/TheAdventuresOfSuperMarioBros3 when he's trying to take a nap.
* in a non-sleeping example [[WesternAnimation/TheAdventuresOfJimmyNeutronBoyGenius Jimmy Carl and Sheen]] have Carl blow a gigantic snot bubble for a school talent show and actually FLY on it! [[{{Squick}} until it pops that is]].
* Rikochet in MuchaLucha gets one when he falls asleep in "Woulda Coulda Hasbeena"

[[/folder]]

[[folder: Real Life ]]

* Watch [[http://www.youtube.com/watch?v=ShJ82d3O2ig this]].
* [[http://attackofthecute.com/on/?i=22258 This cat]].
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