Why do we have a jerk when we get startled?
This type of jerk is scientifically called hypnic jerk or sleep jerk . It is an involuntary twitch . A hypnic jerk often resembles a jump , which a man experience when he is startled. It is often accompanied by a falling sensation.
The reasons for this jerk vary from stress, anxiety , caffeine and strenuous activities in the evening. It is also common in epileptic patients and also in persons who have irregular sleep cycles. It is always good to have a regular sleep habit.
This type of jerk is scientifically called hypnic jerk or sleep jerk . It is an involuntary twitch . A hypnic jerk often resembles a jump , which a man experience when he is startled. It is often accompanied by a falling sensation.
The reasons for this jerk vary from stress, anxiety , caffeine and strenuous activities in the evening. It is also common in epileptic patients and also in persons who have irregular sleep cycles. It is always good to have a regular sleep habit.
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