A Vacation Or A Nightmare?

Riddle: Sarah was on vacation when suddenly a humongous giant piranha came approaching she screamed and fell into the darkness... What happened?

Answer: She was dreaming of a nightmare

Source: https://www.riddles.com/11271

Sarah was on vacation when suddenly a humongous giant piranha came approaching she screamed and fell into the darkness... What happened? — A vacation or a nightmare? by Amara Aung v1.

Riddle: Sarah was on vacation when suddenly a humongous giant piranha came approaching she screamed and fell into the darkness... What happened? Answer: She was dreaming of a nightmare — by Amara Aung v2.