"SLEEP" by Sasaki K-suke features Hatsune Miku's ethereal vocals, creating a slow-tempo, dreamlike soundscape. The song is marked by an unpredictable melody that defies expectations, enveloping listeners in a mysterious sense of floating, as if wandering through a surreal dream. The tranquil atmosphere, tinged with a subtle enigma, transports you to another dimension with its expansive sonic layers. True to its title, the track evokes the peacefulness of sleep, making it a perfect choice for those moments when you want to unwind and escape from everyday life.