Medically reviewed by Arno Kroner, DAOM Key Takeaways Hypnic jerks are common, sudden muscle twitches that happen when you ...

Add Yahoo as a preferred source to see more of our stories on Google. Your thoughts begin to gently drift off the plane of reality and you’re about to transition from that dreamy state to complete ...

Q: When I’m falling asleep, I sometimes feel my muscles twitch and wake up suddenly. Why does that happen? Should I be worried? A: Most people think of sleep and wakefulness as two different states of ...

Add Yahoo as a preferred source to see more of our stories on Google. Tweaked by a muscle twitch? From an uncontrollable fluttering eyelid to a pulsing calf muscle, these small, rapid involuntary ...

Many people experience a sudden jerk as they fall asleep—about 70 percent. We explain where this twitching actually comes ...

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Twitching at night—it’s something few of us talk about, yet it’s also a phenomenon that impacts Americans when it comes to sleep quality. And even if you feel like you’re getting enough sleep, you ...

If you've ever worried that your occasional eye twitching could signal a serious health problem, relax. Most often that muscle spasm is a medical phenomenon known as benign essential blepharospasm, in ...