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The prevalence of nightmares in children (5–12 years old) is between 20 and 30%, and for adults between 8 and 30%. [4] In common language, the meaning of nightmare has extended as a metaphor to many bad things, such as a bad situation or a scary monster or person.
The nightmares usually occur during the REM stage of sleep, and the person who experiences the nightmares typically remembers them well upon waking. [2] More specifically, nightmare disorder is a type of parasomnia , a subset of sleep disorders categorized by abnormal movement or behavior or verbal actions during sleep or shortly before or after.
Post-traumatic stress disorder (PTSD) may develop following exposure to an extremely threatening or horrific event.It is characterized by several of the following signs or symptoms: unwanted re-experiencing of the traumatic event—such as vivid, intense, and emotion-laden intrusive memories—dissociative flashback episodes, or nightmares; active avoidance of thoughts, memories, or reminders ...
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But in people with dementia—which is an umbrella term for mental decline and can be related to a number of diseases such as Alzheimer's—there’s a phenomenon known as “sundowning,” where ...
These night terrors can occur each night if the individual does not eat a proper diet, get the appropriate amount or quality of sleep (e.g., sleep apnea), well endure stressful events, and if they remain untreated. Adult night terrors are much less common and often respond to treatments to rectify causes of poor quality or quantity of sleep.
Psychological trauma (also known as mental trauma, psychiatric trauma, emotional damage, or psychotrauma) is an emotional response caused by severe distressing events, such as bodily injury, sexual violence, or other threats to the life of the subject or their loved ones; indirect exposure, such as from watching television news, may be extremely distressing and can produce an involuntary and ...
Post-traumatic stress disorder (PTSD) [b] is a mental and behavioral disorder [8] that develops from experiencing a traumatic event, such as sexual assault, warfare, traffic collisions, child abuse, domestic violence, or other threats on a person's life or well-being.
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