A big, convulsive twitch while dozing off? Sleep experts explain the ‘hypnic jerk’
By Yaqoot Fatima, Professor of Sleep Health, University of the Sunshine Coast
Alexandra Metse, Senior Lecturer, Psychology, University of the Sunshine Coast
Daniel Sullivan, Lecturer in Clinical Psychology, Griffith University
As we transition from wakefulness to sleep, the nervous system winds down and muscles relax. Sometimes, the brain misinterprets what’s happening.
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Tuesday, September 16, 2025