Jul 25, 2025 · Hypnic jerks are sudden, involuntary muscle contractions as you’re falling asleep or while you’re sleeping. Learn what can cause them and how to prevent them.

Myoclonus is a fast, sudden muscle movement, like a twitch or jerk. It can be harmless and happen for normal reasons or it can be a symptom of a medical condition.

Nov 5, 2025 · Sleep myoclonus involves sudden, involuntary muscle movements during sleep. Learn its symptoms, causes, and when it may require treatment.

Jan 13, 2023 · Overview Myoclonus refers to a quick jerking movement that you can't control. Hiccups are a form of myoclonus, as are the sudden jerks or "sleep starts" that you may feel just before falling …

Nov 14, 2022 · The name for twitching in your sleep is sleep myoclonus. This sudden, uncontrollable movement or “jerking” of muscles is quite common and affects up to 70% of people of all ages and …

Aug 16, 2025 · Understand the common phenomenon of sleep jerks: what causes them, when they’re normal, and when to seek professional advice for restful nights.

Jun 3, 2024 · Sleep myoclonus is involuntary, nonrhythmic muscle twitching that occurs either as a person falls asleep or during sleep. The movements include hiccups, starts, and jerks.

Aug 21, 2025 · Hypnic jerks, or sleep starts, are sudden muscle contractions as you fall asleep. These twitches are typically harmless but can disrupt sleep.

Sep 15, 2021 · Get a detailed overview of sleep myoclonus, which is involuntary jerking movements or muscle twitches while falling asleep or during sleep. Learn about sleep myoclonus symptoms, …

Jul 23, 2025 · The transition from wakefulness to sleep is usually a quiet, subtle process. However, for many people, this journey is occasionally interrupted by a sudden, involuntary twitch or jolt of the …