Don't you hate it when you're about to sleep and your body jerks you awake? Us too, and science may have some tools to help limit its occurrence.

You’re drifting off to sleep, floating in that hazy realm between wakefulness and dreams, when suddenly—BAM!—your body jerks violently as if you’ve been dropped from a height. Your heart races, you’re ...

That sudden jolt or twitch just as you’re drifting into sleep isn’t your imagination. It’s a real physiological event. One moment, you’re fading into slumber, and the next, your arm or leg flings out ...