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Nightmare disorder is a sleep disorder characterized by repeated intense nightmares that most often center on threats to physical safety and security. [2] The nightmares usually occur during the REM stage of sleep, and the person who experiences the nightmares typically remembers them well upon waking. [2]
The results actually showed that healthy people have more nightmares than sleep apnea patients. [15] Another study supports the hypothesis. In this study, 48 patients (aged 20–85 yrs) with obstructive airways disease (OAD), including 21 with and 27 without asthma, were compared with 149 sex- and age-matched controls without respiratory disease.
"I still have nightmares about working there," the nurse told us. "It was so traumatic." According to the nurse, problems at the jail began with the facility, which she described as "a nasty ...
And people who have mental health disorders such as anxiety, depression, post-traumatic stress disorder and more tend to have a higher rate of nightmares than people without these conditions," Dr ...
In addition, nightmares appear ordinarily during REM sleep in contrast to night terrors, which occur in NREM sleep. [2] Finally, individuals with nightmares can wake up completely and easily and have clear and detailed memories of their dreams. [2] [30] A distinction between night terrors and epileptic seizure is required. [30]
Nightmares do have some real benefits for the people who thrash and sweat their way through them, scientists say.
Extending them to a point where the person felt safe again, so they remember the event in a more complete way with less focus on the negative aspects. As an example, a traumatic memory of wartime combat might be extended to after a battle, to when the person was no longer in immediate danger.
Most individuals, when woken by a disturbing dream, would label it as a nightmare; but dream classification is not that simple. Anxiety dreams, punishment dreams, nightmares, post-trauma dreams, and night terrors are difficult to distinguish because they are commonly clumped under the term "nightmare". The different types of dreams, however ...