You may have been looking for one of the Dream Tropes about nightmares, such as:
- Flashback Nightmare: A flashback framed as a nightmare.
- Guilt-Induced Nightmare: Nightmares about past misdeeds.
- Irritation Nightmare: A less intense nightmare that's annoying more than scary.
- Nightmare Sequence: A scene depicting a nightmare.
- Nightmare Weaver: Someone who can cause nightmares.
- Past Experience Nightmare (formerly called Bad Dreams)
- Plagued by Nightmares: A person suffers recurring nightmares due to underlying issues.
(Note: this is not an exhaustive list of nightmare tropes. See Dream Tropes for the rest.)
If a direct link led you here, please change it to point to the appropriate trope.
