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  2. Hypnic jerk - Wikipedia

    en.wikipedia.org/wiki/Hypnic_jerk

    A hypnic jerk, hypnagogic jerk, sleep start, sleep twitch, myoclonic jerk, or night start is a brief and sudden involuntary contraction of the muscles of the body which occurs when a person is beginning to fall asleep, often causing the person to jump and awaken suddenly for a moment.

  3. Sleep inertia - Wikipedia

    en.wikipedia.org/wiki/Sleep_inertia

    Sleep inertia is a physiological state of impaired cognitive and sensory-motor performance that is present immediately after awakening. It persists during the transition of sleep to wakefulness, where an individual will experience feelings of drowsiness, disorientation and a decline in motor dexterity.

  4. Myoclonus - Wikipedia

    en.wikipedia.org/wiki/Myoclonus

    Myoclonus is a brief, involuntary, irregular (lacking rhythm) twitching of a muscle, a joint, or a group of muscles, different from clonus, which is rhythmic or regular.. Myoclonus (myo-"muscle", clonus "spasm") describes a medical sign and, generally, is not a diagnosis of a dis

  5. Essential tremor - Wikipedia

    en.wikipedia.org/wiki/Essential_tremor

    Essential tremor (ET), also called benign tremor, familial tremor, and idiopathic tremor, is a medical condition characterized by involuntary rhythmic contractions and relaxations (oscillations or twitching movements) of certain muscle groups in one or more body parts of unknown cause. [6]

  6. Hurting all over? Here are 10 Common Causes of Body ... - AOL

    www.aol.com/lifestyle/hurting-over-10-common...

    ️Ease the aches: Take some time each day to manage your daily stressors. Just breathing deeply for a few minutes (or even meditating), taking a walk during your lunch break, or a hot bath after ...

  7. Rhythmic movement disorder - Wikipedia

    en.wikipedia.org/wiki/Rhythmic_movement_disorder

    Some cases have been reported on rhythmic movements during wakeful activities like driving. When occurring in sleep, RMD episodes are more likely to onset during non-REM, stage 2 sleep. Roughly 46% of sleep-RMD episodes occur only in non-REM sleep; 30% in non-REM and REM; and only 24% strictly in REM sleep. [12]

  8. A string of volcanic tremors raises fears of mass evacuations ...

    www.aol.com/news/string-volcanic-tremors-raises...

    Monday’s tremor followed a 4.2-magnitude quake recorded last week, the strongest in the area for 40 years, according to the National Institute of Geophysics and Volcanology (INGV).

  9. List of chord progressions - Wikipedia

    en.wikipedia.org/wiki/List_of_chord_progressions

    Download QR code; Print/export Download as PDF; Printable version; In other projects Wikidata item; Appearance. ... I–V–vi–IV chord progression in C: 4: Major