Having nightmares of any kind is usually a reflection of a health problem, and in many cases its due to indigestion due to eating too much. Nightmares that have hideous monsters (when its not a health problem) suggest that situations, which are difficult to control, are approaching. If a woman has these kinds of dreams, it indicates that soon she will have setbacks, and problems with family and friends.
Nightmares dream meaning
Read more about dreaming of Nightmares in other dream meanings interpretations.