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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 ]
Eagle syndrome (also termed stylohyoid syndrome, [1] styloid syndrome, [2] stylalgia, [3] styloid-stylohyoid syndrome, [2] or styloid–carotid artery syndrome) [4] is an uncommon condition commonly characterized but not limited to sudden, sharp nerve-like pain in the jaw bone and joint, back of the throat, and base of the tongue, triggered by swallowing, moving the jaw, or turning the neck. [1]
Bruxism is excessive teeth grinding or jaw clenching. It is an oral parafunctional activity; [1] i.e., it is unrelated to normal function such as eating or talking. Bruxism is a common behavior; the global prevalence of bruxism (both sleep and awake) is 22.22%. [2]
The visual system becomes more sensitive to light and can amplify noise or minor changes in visual signals. For example to the work of different types of photoreceptors in the retina of the eye. In the dark, the rod photoreceptors, which are responsible for the perception of light in low light, are mainly activated, but they are not able to ...
Examples of such noises include heavy breathing, a dog barking, a dripping faucet, a pen clicking, a lawn mower, coughing, snoring or someone "mindlessly tapping their fingers on a table or their ...
A cause is traumatic noise exposure that damages hair cells in the inner ear. [33] Some evidence suggests that long-term exposure to noise pollution from heavy traffic may increase the risk of developing tinnitus. [34] When there does not seem to be a connection with a disorder of the inner ear or auditory nerve, tinnitus can be called "non-otic".
The big three in sleep sounds are white noise, brown noise, and pink noise, but there are many other noise types, including purple noise, gray noise, and even black noise (a.k.a. good ol ...
A 37-year-old man woke up with neck pain, nausea, blurry vision. He was having a stroke caused by a cavernous malformation. After brain surgery, he is back hiking.