Demonsoul (1995)

Erica is being haunted by nightmares nearly every night. She dreams of ritual sacrifice, black magic and a mysterious red-headed woman. When the dreams start to invade her during the day she is persuaded to visit a hypnotherapist, Dr. Charles Bucher. Bucher's specialty is age regression and he soon discovers that Erica was a vampire in a past life and the red-headed woman is Selena the vampire's servant. Interested in the vampire's power, Bucher offers to help the vampire to take over Erica's body and live again as for the moment the vampire can only exist when Erica is hypnotized. On the brink of madness, Erica must survive the upcoming night when Dana the vampire rises once again.