Why You Experience Involuntary Muscle Twitches When Falling Asleep
Why Do You Suddenly Jerk As You Fall Asleep? Understanding Hypnic Jerks Have you ever been on the edge of sleep only to suddenly jolt awake with a quick muscle twitch? These involuntary movements, called hypnic jerks or sleep starts, happen to many people as they transition from wakefulness to sleep. What Are Hypnic Jerks? …
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