This is the 13932nd most frequent Spanish word.
sonámbula
A female sleepwalker.
Here, 'sonámbula' is used as a noun to denote someone who sleepwalks.
Érase una vez una princesa que era sonámbula.
Once upon a time, there was a princess who was a sleepwalker.
In this example, 'sonámbula' is used as a noun to refer to a specific individual in the story who sleepwalks.
La historia de la sonámbula capturó la atención del público.
The story of the sleepwalker captured the audience's attention.
In this sentence, 'sonámbula' is used as an adjective to describe the girl who sleepwalks.