| Sleepy Princess in the Demon Castle | |
 Cover of the first tankōbon volume, featuring Princess Syalis | |
| 魔王城でおやすみ (Maōjō de Oyasumi) | |
|---|---|
| Genre | |
| Manga | |
| Written by | Kagiji Kumanomata |
| Published by | Shogakukan |
| English publisher | |
| Imprint | Shōnen Sunday Comics |
| Magazine | Weekly Shōnen Sunday |
| Demographic | Shōnen |
| Original run | May 11, 2016 – present |
| Volumes | 28 |
| Anime television series | |
| Directed by | Mitsue Yamazaki |
| Written by | Yoshiko Nakamura |
| Music by | Yukari Hashimoto |
| Studio | Doga Kobo |
| Licensed by | Crunchyroll |
| Original network | TV Tokyo, AT-X, BS TV Tokyo |
| English network | |
| Original run | October 6, 2020 – December 22, 2020 |
| Episodes | 12 |
Sleepy Princess in the Demon Castle (Japanese: 魔王城でおやすみ, Hepburn: Maōjō de Oyasumi, lit. 'Good Night in the Demon King's Castle') is a Japanese manga series written and illustrated by Kagiji Kumanomata. It has been serialized in Shogakukan's shōnen manga magazine Weekly Shōnen Sunday magazine since May 2016, with its chapters collected in twenty-eight tankōbon volumes as of September 2024. An anime television series adaptation produced by Doga Kobo aired from October to December 2020.
- ^ "The Official Website for Sleepy Princess in the Demon Castle". Viz Media. Archived from the original on October 17, 2020. Retrieved September 12, 2019.
- ^ Green, Scott (September 30, 2017). "Viz Licenses "Sleepy Princess in the Demon Castle" Manga". Crunchyroll. Archived from the original on May 29, 2018. Retrieved May 12, 2021.
- ^ "Watch Sleepy Princess In The Demon Castle Sub". Funimation. Archived from the original on October 25, 2020. Retrieved October 24, 2020.