What are the reasons makes it easier to nightmares?

Person's life that could have nightmares. So, people will be having nightmares, why then? Is there a way to stop those bad things that crept into your dreams do? The following is a nightmare created psychologist revealed six major reasons:
　　1, anxiety and stress
Life, a traumatic incident is often caused by anxiety and stress. Sometimes, they will make people nightmares and bad dreams. The International Association for the Study Dreams (IASD) study found that a major surgery or illness, the loss of distressed lovers, experienced or witnessed the assault or a major accident can lead to bad dreams and nightmares. Post-traumatic stress disorder (PTSD) is caused by the common cause of recurrent nightmares. However, not all nightmares were the triggering causes of trauma. Work or financial anxiety daily stressors, or moving, or divorce, major life changes, but also may lead to a nightmare.
　　2, spicy food
What time to eat and eat what affects people's night rest. 1, published in the "international spirit of Physiology," Journal of the small-scale studies have shown that, scientists analyzed a group of pre-sleep at night to eat spicy food, health, men's sleep situation, and then letting them do not eat spicy food situation rest, the final comparison of both sleep quality. The volunteers ate spicy food at rest, wake up more often, sleep quality even worse. This shows that spicy foods can increase body temperature, thereby disrupting sleep. It may also be some people say that they are close to sleep and then eat a bad dream causes. Although almost no relevant research, but close to bedtime, when to eat to speed up metabolism and brain activity, may lead to a bad dream or a nightmare.
　　3, the fat content of food
Although there are no more compelling scientific evidence, but it was found that high-fat foods during the day to eat more, sleep quality deteriorated and the greater the probability of increase in the number. Published in 2007 a "psychological report" on the research shows that eating organic food, people have dreamed of, and eat "junk food" people's dreams are different. The researchers speculated that the high fat food may have a negative impact on the dream, people get a bad dream.
　　4, alcohol
Alcohol is a sedative people to sleep a short time, but once its role gradually disappear, people would wake up too early. Excessive drinking may also lead to nightmares and bad dreams. Experiences of people who have alcohol often nightmares.
　　5, drug
Anti-depressants, barbiturates and other sedatives and anesthetics, and drugs have side effects, might make a nightmare. "Psychopharmacology" magazine published a 2008 study, scientists studied the one for anemia and entertainment, Clay efficient anesthetic ketamine and found that compared to placebo, its use has caused For more unpleasant dreams, increased the incidence of bad dreams. In addition, any person to a malaria-endemic countries of travel, after taking anti-malarial drugs mefloquine, will produce some and its associated nightmare.
　　6, disease
Fever, influenza and other diseases often lead to a nightmare. Diseases such as apnea and sleepiness of sleep disorders will also increase the bad dreams and nightmares incidence.
While the bad dreams and nightmares is considered to be a normal reaction to everyday life, but the International Association for the Study dream suggested that, if they are strong and severity continue, we should consult therapist. The efforts to eliminate the above-mentioned six factors that may make people dream and night away from the nightmare of the best approach