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 ...

You’re finally drifting off to sleep… your breathing slows, your muscles relax, and then suddenly, your whole body jerks awake. For a split second, it feels like you’ve fallen or tripped, and your ...

Hypnic jerks are common, sudden muscle twitches that happen when you fall asleep. Stress, anxiety, and fatigue can increase the chances of experiencing sleep starts. Sleep starts are harmless but can ...

Have you ever been just on the verge of falling asleep when suddenly your body jerks for some reason, and you're wide awake again? TV doctor Dr Amir Khan has explained why this happens ...

Add Yahoo as a preferred source to see more of our stories on Google. That sudden twitch or "falling" feeling before you drift off isn't in your head. (Getty Images) (Catherine Falls Commercial via ...