There also are repetitive dreams, wish-fulfillmentdreams, problem-solving dreams and The Naked Dream(dreams of humiliation or painful self consciousness.) There are anxiety dreams and dreams of being unprepared, such as when one cannot find the classroom where a final exam is being held. There are chase dreams, in which one is being chased by a monster or enemy, which are very often repetitive. One might include separate categories for flying dreams and dreams of being overwhelmed by water in some way. Many persons have variations of dreams in which one must use the toilet, but confronts some difficulty or obstacle or lack of privacy. There are also dreams of persons who have died, which are usually a part of the grieving process. Dreams of pregnancyrepresent unfinished projects, and dreams of physical illness or injury, including broken teeth, can alert the dreamer to actual physical problems needing the attention of a doctor or dentist.