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Psychiatry. Frequency. c. 4% [1] 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 night hag or old hag is the name given to a supernatural creature, commonly associated with the phenomenon of sleep paralysis. It is a phenomenon which a person feels during a presence of a supernatural malevolent being which immobilizes the person as if sitting on their chest or the foot of their bed. The word "night-mare" or "nightmare ...
Sleep paralysis is a state, during waking up or falling asleep, in which a person is conscious but in a complete state of full-body paralysis. [1] [2] During an episode, the person may hallucinate (hear, feel, or see things that are not there), which often results in fear. [1] [3] Episodes generally last no more than a few minutes. [2]
“Nightmares sometimes result from us trying to solve problems in our sleep — this is the brain’s rehearsal system at work in the night, so too much daytime stress can lead to nightmares when ...
101.6 cm × 127 cm (40.0 in × 50 in) Location. Detroit Institute of Arts, Detroit, Michigan. The Nightmare is a 1781 oil painting by Swiss artist Henry Fuseli. It shows a woman in deep sleep with her arms thrown below her, and with a demonic and ape-like incubus crouched on her chest. The painting's dreamlike and haunting erotic evocation of ...
Mare (folklore) A mare ( Old English: mære, Old Dutch: mare, Proto-Slavic * mara; mara in Old High German, Old Norse, and Swedish) is a malicious entity in Germanic and Slavic folklore that walks on people's chests while they sleep, bringing on nightmares. [1]
Epileptic seizure, nightmares. Night terror, also called sleep terror, is a sleep disorder causing feelings of panic or dread and typically occurring during the first hours of stage 3–4 non-rapid eye movement (NREM) sleep [1] and lasting for 1 to 10 minutes. [2] It can last longer, especially in children. [2]
Nightmare. A nightmare, also known as a bad dream, [1] is an unpleasant dream that can cause a strong emotional response from the mind, typically fear but also despair, anxiety, disgust or sadness. The dream may contain situations of discomfort, psychological or physical terror, or panic. After a nightmare, a person will often awaken in a state ...