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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.
Dyspnea is a subjective symptom, meaning it can only be expressed by the person experiencing it, and it is imperative in diagnosis to distinguish it from other breathing problems. [5] Dyspnea is typically the sensation of feeling short of breath and should not be confused with rapid breathing ( tachypnea ), excessive breathing ( hyperpnea ) or ...
Feeling soft or otherwise enjoyable textures is a common form of stimming. Self-stimulatory behavior, also known as "stimming" [1] and self-stimulation, [2] is the repetition of physical movements, sounds, words, moving objects, or other behaviors.
Drooling, or slobbering, is the flow of saliva outside the mouth. Drooling can be caused by excess production of saliva , inability to retain saliva within the mouth (incontinence of saliva), or problems with swallowing ( dysphagia or odynophagia ).
The word hypnagogia is sometimes used in a restricted sense to refer to the onset of sleep, and contrasted with hypnopompia, Frederic Myers's term for waking up. [2] However, hypnagogia is also regularly employed in a more general sense that covers both falling asleep and waking up.
The weakness of the legs causes most people to sit or lie down if there is time to do so. This may avert a complete collapse, but whether the patient sits down or falls down, the result of an ischaemic episode is a posture in which less blood pressure is required to achieve adequate blood flow.
A dog will often start to drool more in anticipation of meal or treat time or if they’re excited or anxious, or because of another health complication.
Sleepwalking may also accompany the related phenomenon of night terrors, especially in children. In the midst of a night terror, the affected person may wander in a distressed state while still asleep, and examples of sufferers attempting to run or aggressively defend themselves during these incidents have been reported in medical literature. [15]