Home » Science and Research » Hypnic Jerk: What You Need To Know About Involuntary Sleep Twitch Hypnic Jerk: What You Need To Know About Involuntary Sleep Twitch September 30, 2019 Medical Daily Off Science and Research Have you ever twitched so hard you woke up? What exactly does it mean? Read on to find out. Read Original Article: Hypnic Jerk: What You Need To Know About Involuntary Sleep Twitch » Share...FacebookPinterestTwitterLinkedinRedditTumblr Previous: Best Ways To Deal With Pain Due To Emotional Or Mental Stress Next: Standing Desk: The Solution To The Dangers Of Prolonged Sitting? About The Author Medical Daily