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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.
Hypnic jerk, also called hypnagogic jerk, is a normal reaction that can be caused by anxiety, caffeine, a dream, or discomfort of sleeping. A hypnic jerk is the feeling triggered by a sudden muscle twitch, causing the feeling of falling while sleeping or dreaming. Hypnic jerks typically occur moments before the first stage of sleep. [2]
The spins (as in having "the spins") [1] is an adverse reaction of intoxication that causes a state of vertigo and nausea, [2] causing one to feel as if "spinning out of control", [3] especially when lying down. It is most commonly associated with drunkenness [4] or mixing alcohol with other psychoactive drugs [5] such as cannabis.
This can happen when standing up from a seated position or after lying down. Pregnancy, certain medications and long-term bed rest can also cause a sudden drop in blood pressure. ... Next up, here ...
However, “some patients will report severe dizziness or nausea that lasts hours after a car ride,” Schoo says. “I would be more suspicious or concerned about [lingering] symptoms.”
Winter brings less daylight and colder temperatures, which can disrupt sleep. Seasonal Affective Disorder (SAD) is more common in winter due to the lack of sunlight, causing sleep disturbances.
If a patient is unable to keep fluids down from nausea or vomiting, they may need intravenous fluids such as Ringer's lactate solution. They should try eating something sugary and lying down or sitting and reducing the elevation of the head relative to the body (for example, by positioning the head between the knees).
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