Nightmare
Ryo has a nightmare in which he is attacked by a demonic creature. When he wakes up, he finds out that a murder took place during the night. Source: crunchyroll
Aired 31/08/2002EP 1 - Nightmare

2002
Demon Lord Dante
While sleeping one night, Ryo Utsugi had a nightmare of monsters attacking him. One day he learns a mysterious power to let him hear voices and have visions of girls getting killed, but one night he hears the same voice.
(Source: Anime News Network)