I'm not sure of a specific title, but generally in such fanfictions, the Sleeping Beauty aspect often adds a touch of magic and mystery. It could be that Severus takes on the role of the one to wake Harry from a magically - induced sleep, much like in the classic fairy tale. This could lead to a deepening of their relationship as they face the challenges that come with the situation.
There may be some fanfictions where the Yaoi aspect is more subtly done in the context of this Sleeping Beauty - inspired story. For example, the story might focus on Severus's internal struggle as he tries to save Harry from the sleeping state. His feelings for Harry start to surface during this time, and it's all set against the backdrop of the magical elements borrowed from the Sleeping Beauty story.
The appeal lies in the combination of different elements. The Yaoi aspect brings a different dynamic to the relationship between Severus and Harry. The Sleeping Beauty theme adds a touch of fairy - tale magic. It allows for creative interpretations of the characters' personalities and their relationship in a new context.
One great fanfiction with this theme is 'A Different Kind of Family' where Severus discovers Harry's abuse and takes him under his wing. It shows Severus's complex character evolving as he protects Harry.
One interesting fanfic could be where the concept of Sleeping Beauty's long slumber is related to a spell in the Harry Potter universe, and perhaps the boulder has some significance like guarding a magical artifact. It might be hard to find one that combines all three elements perfectly though.
In this type of fanfiction, the setting might be a Hogwarts transformed into a more enchanted and isolated place, like the castle in the Beauty and Beast story. Harry could be initially afraid of Severus in his 'Beast' form but gradually come to understand him. Their interactions could involve Severus trying to protect Harry in his own way while also being gruff and difficult. The story could also play with the idea of magic being used to break the curse, much like in the original fairy - tale.
I really like 'Albus Severus and the Lost Magic'. In this fanfic, Albus discovers an ancient form of magic that has been long forgotten. It's a really exciting read as he tries to master this new magic while also dealing with the regular Hogwarts drama. The way it ties in with the existing Harry Potter lore is quite clever.
One great fanfiction is 'The Prince's Tale Reimagined'. It delves deeper into Snape's relationship with Harry from Snape's perspective. Another good one is 'Snape's Redemption Arc'. It shows how Snape's actions throughout the series can be seen in a different light, with a focus on his complex relationship with Harry. And 'A Different Kind of Magic' is also a wonderful read. It creates an alternate universe where Snape and Harry have to work together more closely from an earlier point in the story.
The setting is crucial. It could be a Hogwarts that has a more gothic and isolated feel to it. The Forbidden Forest could be more overgrown and dangerous. The relationship between Severus and Harry would develop through a series of encounters. Harry might bring Severus food in the same way Belle did in the original story, and through these small acts, they start to build a connection. There should also be some sort of conflict, perhaps from other Hogwarts students or from the source of the curse itself.
One possible scenario in a Harry Potter fanfic could be an avalanche occurring near Hogwarts, and somehow Sleeping Beauty is brought into the wizarding world. Maybe a spell gone wrong transports her there during the avalanche. The students at Hogwarts might be curious about this strange new arrival and her story from the fairy - tale world.
Some fanfictions focus on the redemption aspect of Snape through his relationship with Harry. In these, Harry might see the good in Snape that others overlooked. There could also be themes related to secrecy and the forbidden nature of their relationship, given Snape's role as a teacher and Harry's status as a student.
One great fanfiction in this category is 'The Vampire's Shadow'. It delves into an alternate universe where Snape is turned into a vampire. The story beautifully weaves in the magical elements of the Harry Potter world with the allure and mystery of vampires. It shows how Snape's character changes and yet retains some of his core traits, like his loyalty and his complex relationship with Harry.