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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 ]
Holmes tremor is a combination of rest, action, and postural tremors. Tremor frequency ranges from 2 to 5 Hertz and is aggravated with posture and movement. [1] It may arise from various underlying structural disorders including stroke, tumors, trauma, and other cerebellar lesions. [2]
This means that it is distinct from a resting tremor, such as that caused by Parkinson's disease, which is not correlated with movement. [7] Unlike Parkinson's disease, essential tremor may worsen with action. Essential tremor is a progressive [8] [9] [10] neurological disorder, and the most common movement disorder. Though not life-threatening ...
A tremor is an involuntary, [1] somewhat rhythmic muscle contraction and relaxation involving oscillations or twitching movements of one or more body parts. It is the most common of all involuntary movements and can affect the hands, arms, eyes, face, head, vocal folds, trunk, and legs.
Apart from the underlying psychiatric disorder, tardive dyskinesia may lead to the social isolation of people with the condition. It also increases the risk of body dysmorphic disorder (BDD) and can even lead to suicide. Emotional or physical stress can increase the severity of dyskinetic movements, whereas relaxation and sedation have the ...
REM sleep behavior disorder. This is marked by sleep talking and sleepwalking. Post-traumatic stress disorder (PTSD). PTSD is often linked to nightmares, which happen during REM sleep. Distressing ...
2. Poor Function. Although being groggy can be low-stakes if you’re just hanging out at home, it can also lead to serious consequences. For example, sleep debt is associated with increased ...
Dyssomnia – broad classification of sleeping disorders involving difficulty getting to sleep, remain sleeping, or of excessive sleepiness; Insomnia – Disorder causing trouble with sleeping; Rhythmic movement disorder – neurological disorder