Why We Suddenly Twitch and Wake Up Sometimes Right Before Falling Asleep

Every now and then when you're drifting off to sleep, you twitch and suddenly you're awake again. This is called a 'hypnic jerk' and could be caused by a number of things. Veuer's Johana Restrepo has more.
Published: 6:44 AM CST January 20, 2020
Updated: 6:16 AM CST January 20, 2020