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Exploding head syndrome (EHS) is an abnormal sensory perception during sleep in which a person experiences auditory hallucinations that are loud and of short duration when falling asleep or waking up. [2] [4] The noise may be frightening, typically occurs only occasionally, and is not a serious health concern. [2]
Rhythmic movement disorder (RMD) is a neurological disorder characterized by repetitive movements of large muscle groups immediately before and during sleep often involving the head and neck. It was independently described first in 1905 by Zappert as jactatio capitis nocturna and by Cruchet as rhythmie du sommeil . [ 1 ]
Focal neurological deficits may be caused by a variety of medical conditions such as head trauma, [1] tumors or stroke; or by various diseases such as meningitis or encephalitis or as a side effect of certain medications such as those used in anesthesia. [2] Neurological soft signs are a group of non-focal neurologic signs. [3]
In severe forms, the head and upper shoulders may be bent at a right angle relative to the trunk. [7] Festination [1] is a combination of stooped posture, imbalance, and short steps. It leads to a gait that gets progressively faster and faster, often ending in a fall. Gait freezing, also called motor blocks, is a manifestation of akinesia. [1]
Hypnagogic hallucinations are often auditory or have an auditory component. Like the visuals, hypnagogic sounds vary in intensity from faint impressions to loud noises, like knocking and crashes and bangs (exploding head syndrome). People may imagine their own name called, crumpling bags, white noise, or a doorbell ringing.
Fast forward around 15 years, and I'm hanging out with friends in college and accidentally turn my head too quickly. I make a noise/face/something to indicate that I'm in pain, come to, and ...
To learn whether arm position made a difference in blood pressure readings, Brady and her colleagues recruited 133 adults, 78% of them Black and 52% female. The study volunteers’ ages ranged ...
According to the Maine Geological Survey, frost quakes usually occur between midnight and dawn, which is the coldest part of the night. They can occur over several hours or even several days.