Sleepy Princess in the Demon Castle
魔王城でおやすみ
When young Princess Syalis is kidnapped and imprisoned by the Demon King, she's rather indifferent about her situation. But she quickly comes to a terrible realisation—she can't sleep soundly in such an uncomfortable bed! She soon escapes her cell and sets off in search of ways to improve her sleep quality, leaving the castle's inhabitants, and even the Demon King himself, scrambling to keep the unruly princess out of trouble during her chaotic adventures.
Ratings
Based on audience scoresWhere to stream Sleepy Princess in the Demon Castle
Streaming now in the United States on Crunchyroll.
Rent or buy in the United States on Amazon Video and Apple TV Store.
Trailer
Sleepy Princess In The Demon Castle Official Trailer
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Frequently asked questions about Sleepy Princess in the Demon Castle
Where can I watch Sleepy Princess in the Demon Castle in the United States?
Sleepy Princess in the Demon Castle is available to stream on Crunchyroll in the United States, and to rent or buy on Amazon Video and Apple TV Store. Streaming availability is provided by JustWatch and can change over time.
Can I watch Sleepy Princess in the Demon Castle for free?
Not free in the United States right now. Sleepy Princess in the Demon Castle needs a subscription to Crunchyroll, or you can rent or buy it on Amazon Video and Apple TV Store.
What are the ratings for Sleepy Princess in the Demon Castle?
Sleepy Princess in the Demon Castle scores 8.3 on The Movie Database.
Who stars in Sleepy Princess in the Demon Castle?
Sleepy Princess in the Demon Castle stars Inori Minase, Kaito Ishikawa, Yoshitsugu Matsuoka, Hiro Shimono, and Rikiya Koyama.
How many seasons of Sleepy Princess in the Demon Castle are there?
Sleepy Princess in the Demon Castle has 1 season and 12 episodes, and is ended.
What network is Sleepy Princess in the Demon Castle on?
Sleepy Princess in the Demon Castle airs on TV Tokyo, and is produced by Doga Kobo, FuRyu, and TV Tokyo.
What language is Sleepy Princess in the Demon Castle in?
Sleepy Princess in the Demon Castle is in Japanese, and its original title is 魔王城でおやすみ.
Ratings and streaming availability are aggregated from third-party sources; metadata from The Movie Database (TMDB), streaming data from JustWatch. This product uses the TMDB API but is not endorsed or certified by TMDB. Streaming availability checked September 2026.