Guilt-Induced Nightmares in Fan Works.
Crossovers
- Paradoxus: During the prologue, Altalune dreams about her childhood trauma of finding her mother and Stella's corpses alongside her little sister Trisha, whom she initially thought was already deceased as well, but was 'merely' teetering on the brink of death.
- Between the Beats: Sasha suffers several of these throughout her stay in Wartwood, as she grapples with her guilt over her mistreatment of Anne, Marcy, and many others.
- Sasha and the Frogs: Sasha starts suffering from Sleep Deprivation after having nightmares about how she was a Toxic Friend Influence towards Anne and Marcy that leave her too scared to sleep.
- Blackbird: Sara is implied to suffer from these after the role she played in Dinah selling Laurel out to the League in an attempt to save Sara. She admits to Oliver that she hasn't been able to get a full night's sleep ever since she returned home, and attributes it to what happened to her sister.
- Amalgamate: Kaito starts having these after learning about the massive Trauma Conga Line Kokichi has gone through, feeling guilty for how he inadvertently contributed to that.
- My Deepest, Darkest Secret: After learning that he's half-werewolf, Solon has recurring nightmares that he suspects are born from guilt over having to keep his siblings Locked Out of the Loop, as he fears how they'd react if they find out.
- Distance Wakes The Heart Up shows that Isabela sincerely regrets how poorly she treated Mirabel when she dreams about how much she hurt her.
- Phylactery: Envy dreams about Ed abandoning him in Gluttony's stomach, declaring that the homunculus doesn't deserve to live. He then pictures the Ishvalan girl he killed to kick off the war and starts trying to justify her death, ranting angrily at her while denying that he could possibly feel bad about what he did.
- Things Involving Shipgirls That Are No Longer Allowed: After having a Heel Realization about how she constantly denied the various atrocities committed by Japan in World War II, Aso starts having nightmares about those very same atrocities, which ultimately compel her to attempt suicide.
- Klonoa: Lunatales: Early on in Treason, Huepow dreams about Klonoa angrily berating him for how he betrayed him during Door to Phantomile by giving him Fake Memories of growing up together.
- In Burning Secret
, Lincoln accidentally burns the school down. He is horrified and guilt-ridden, especially since he's heard he could be expelled or imprisoned for what he's done. Throughout the story, he repeatedly has nightmares; including (but not limited to) him setting people alight as a villain called the Mad Arsonist, the person who's been blackmailing him revealing himself to be Luna, and all his sisters giving him a "The Reason You Suck" Speech. - In Shattered Hearts, Lori and Lincoln have an argument that ends with her slapping him and him telling her that he hates her. Both have nightmares that night about an evil doppelganger— Lori's tries to convince the real Lori that she does hate Lincoln, while Lincoln's threatens to kill Lori by breaking her physical heart and torments the real Lincoln about having broken Lori's heart.
- In Shut the Duck Up, Lana kicks Chipper the duckling out of the house for trying to eat Izzy. It's said that she has several nightmares about Chipper, though the only one that's described in detail is Chipper falling into a chasm during a storm and flying off as an angel. She then wakes up with a start and decides to find Chipper, feeling like she was too hard on her. Thankfully, Chipper hasn't gone far, she's just in Charles's doghouse.
- What is a Person Worth?: After an argument where she angrily declared that she wished Lincoln was never born, Lynn has a nightmare where their mother miscarried him... because the two-year-old Lynn had deliberately hit Rita in the stomach with a ball while she was pregnant with him. Her doppelganger proceeds to mock Lynn's horror until one of her other sisters wakes her up.
- What You Wish For: As it turned out, the whole story was All Just a Dream Lori had after falling unconscious due to cosmetics mixing together. She dreamt that Lincoln was Carol's brother instead of Lori's because she'd previously wished that she didn't have a brother and was feeling guilty about it.
- The Wolves in the Woods: Lila, haunted by how her plan to ruin Marinette's reputation actually worked far better than she ever intended, has a nightmare about her 'rival' showing up to school as a badly broken, barely animate porcelain doll. She watches in horror as Kim and Alix smash her to pieces, then finds herself turning into one as she's forced into the role of being their new 'everyday Ladybug'. Combines with Catapult Nightmare when she wakes up.
- In Just a Child, Tohru dreams about the residents of a human village that she slaughtered coming back from the dead and getting their revenge upon her.
My Little Pony: Friendship Is Magic
- In Comatose, Twilight Sparkle is rendered comatose while protecting Shining Armor and Cadence's wedding from the Changelings, and the former blames it all on the way he treated her at the wedding rehearsal. Shining Armor ends up having a nightmare where he's Forced to Watch the moment he disowned his sister, followed by one of him being denounced as a murderer by Twilight's friends at her grave.
- Fanfic/Quiververse:
- Sunset Shimmer suffers one of these in Wherever You Find Love as the Anon-A-Miss debacle gets underway, due to having her support network abruptly torn away as all of her newfound friends turn upon her, believing that she's responsible for spreading their secrets online. Faced with the notion that she was never truly forgiven for her past misdeeds, she convinces herself that she never deserved forgiveness, and attempts suicide.
- In Nightmare's End, Luna induces these in herself through the Tantabus.
- A Shimmering New Year reveals all of the Rainbooms are having these due to their remorse at how easily they turned upon Sunset. It's implied that the Cutie Mark Crusaders are suffering from these as well.
- Odd Squad vs. The Laser Chickens: Implied when Otis asks right before he goes to sleep if it's his fault that Olympia was attacked by one of the titular laser chickens.
- In Nothing Civil About War by Foobar137, both Phineas and Isabella have nightmares about things they did during the war, both prominently featuring the accusation, "You killed me!":
- Phineas dreams of zombies of those killed by the tumbler bomb.
- Isabella dreams of her lover, whose implants she had been forced to trigger the self-destruct on.
- Blood And Winter: While imprisoned at Castle Dimetriscu, Ethan repeatedly suffers nightmares about how Chris killed Mia, feeling guilty about how he wasn't able to prevent her death.
- The Joys and Sorrows of Young Charles Finster: In "The Three-Legged Race", Chas gets too mean, boastful, and obsessed with one-upping Stu in anticipation of the eponymous race, then that night, he has a nightmare where Drew (who, at the time, was a Bratty Half-Pint) says, "Why, I'm you" to him.
- Jaune Arc: The Elemental Swordsman: In the sequel, The Void Swordsman, Jaune has a nightmare about not being able to protect any of his girlfriends. As they're slaughtered before his eyes, Ruby blames him for their deaths, then lets herself be killed, triggering a full-fledged breakdown.
- Sonic.exe: Tom is shown to be distraught after X kills Tails and Knuckles. After Knuckles's death, Tom decides to take a nap, and has a nightmare that he's in a dark room with only a light bulb above his head as he hears Tails and Knuckles calling out, "Help us..." and "Why did you give us to him?" He hears X laughing evilly and telling him that he's next, too.
- In Intergalactic Illness, Lala gets a nightmare in the second chapter out of guilt for lying to her friends about her cold, she has a fever dream about the others disowning her for being dishonest.
- Learning To Be Human: After becoming human, Sam has nightmares about all the people she's killed or Zizbombed as The Simurgh.
