In the final action sequence, some scenes are abruptly take place in the nighttime, while others take place in broad daylight.
Roy's wife is sitting at the edge reading a book while Roy is talking on the phone. In the next frame, she is sitting in the middle of the bed.
Roy's wife is draping a towel over her body while she is seduced & killed. Later while she is reincarnated, she is wearing a gray frock.
In both the actual book and film, central character Dracula avoids sunlight. Throughout the film, he easily transforms into vampire in broad daylight.
The mansion in Romania, in truth, will never allow any person to do personal research inside it.