The title you are likely looking for is: (or similar variations depending on the translation, often cited as Il sesso pericoloso or works covering "The Dangerous Sex").
If you're interested in learning more about Stefania Bonafede and "The Dangerous Sex Fixed," we recommend checking out the following resources:
The story follows (Stefania Bonafede), a university librarian and researcher with a complex personality who suffers from sleepwalking.