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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 ]
List of medical symptoms. Medical symptoms refer to the manifestations or indications of a disease or condition, perceived and complained about by the patient. [1] [2] Patients observe these symptoms and seek medical advice from healthcare professionals.
This is a list of major and frequently observed neurological disorders (e.g., Alzheimer's disease), symptoms (e.g., back pain), signs (e.g., aphasia) and syndromes (e.g., Aicardi syndrome). There is disagreement over the definitions and criteria used to delineate various disorders and whether some of these conditions should be classified as ...
Severe nightmares are also likely to occur when a person has a fever; these nightmares are often referred to as fever dreams. Recent research has shown that frequent nightmares may precede the development of neurodegenerative diseases, such as Parkinson's disease and dementia. [20] [21] [22]
These symptoms are usually accompanied by intense emotions such as fear and panic. [7] People also have sensations of being dragged out of bed or of flying, numbness, and feelings of electric tingles or vibrations running through their body. [8] Sleep paralysis may include hallucinations, such as an intruding presence or dark figure in the room.
A 29-year-old man’s debilitating night terrors were the first sign of rare autoimmune disorder that rapidly progressed, landing him in the intensive care unit in a “catatonic state.” Ben ...
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]
In many cases, pain levels can vary depending on circumstances, and can often be moderated to some extent by activity and mood. For example, pain symptoms may become more intense when focused on, and less intense when the person is engaged in enjoyable activities. [5] The same can be said about excessive worry.