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A hypnic jerk, hypnagogic jerk, sleep start, sleep twitch, myoclonic jerk, or night start is a brief and sudden involuntary contraction of the muscles of the body which occurs when a person is beginning to fall asleep, often causing the person to jump and awaken suddenly for a moment.
The disorder often leads to bodily injury from unwanted movements. Because of these incessant muscle contractions, patients' sleep patterns are often disrupted. It differs from restless legs syndrome in that RMD involves involuntary muscle contractions before and during sleep while restless legs syndrome is the urge to move before sleep. RMD ...
Myoclonus is a brief, involuntary, irregular (lacking rhythm) twitching of a muscle, a joint, or a group of muscles, different from clonus, which is rhythmic or regular. Myoclonus ( myo- "muscle", clonus "spasm") describes a medical sign and, generally, is not a diagnosis of a disease .
It is therefore critical for families and caregivers to recognize the pathological nature of PBA and the reassurance that this is an involuntary syndrome that is manageable. Traditionally, antidepressants such as sertraline , [ 42 ] fluoxetine , [ 43 ] citalopram , [ 44 ] nortriptyline [ 45 ] and amitriptyline [ 46 ] have been prescribed with ...
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3. “Here’s what you should do.” This phrase lies in the category of what Dr. Danda calls “unilateral decision-making,” and it can accidentally undermine a child or teen’s confidence or ...
Bobble-head doll syndrome is a rare neurological movement disorder in which patients, usually children around age 3, begin to bob their head and shoulders forward and back, or sometimes side-to-side, involuntarily, in a manner reminiscent of a bobblehead doll.
“I grunt when I play tennis, and I have absolutely no control over it. And the interesting thing is that as my intensity increases, so does my grunting. I can tell you personally that if I don ...