What is nightmare ? In brief
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Nightmare is a word used to refer dream......
A nightmare is a dream turned bad. Nightmares, or bad dreams, are a type of dream that causes you to feel anxiety, fear or terror. Typically, a person will wake up during or just after having a nightmare and he or she will be able to remember all or part of the bad dream clearly. ... Sometimes, nightmares can be more than just a bad dream.There can be a number of psychological triggers that cause nightmares in adults. For example, anxiety and depression can cause adult nightmares. Post-traumatic stress disorder (PTSD) also commonly causes people to experience chronic, recurrent nightmares. Nightmares in adults can be caused by certain sleep disorders.Frequent occurrences of nightmares Major distress or impairment during the day, such as anxiety or persistent fear, or bedtime anxiety about having another nightmare. Problems with concentration or memory, or you can't stop thinking about images from your dreams. Daytime sleepiness, fatigue or low energy.