- hypnic jerks
- sudden brief contractions at the onset of sleep, usually in the lower limbs but sometimes also of the head and upper limbs.
Medical dictionary. 2011.
hypnic jerks
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Hypnic jerk — A hypnic jerk, hypnagogic jerk, sleep start, or night start, is an involuntary myoclonic twitch which occurs during hypnagogia, just as a person is beginning to fall asleep, often causing them to awaken suddenly. Physically, hypnic jerks resemble … Wikipedia
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Hypnagogia — (Greek ὕπνος, húpnos sleep + the root found in ἄγω, ágō to lead away, conduct, convey , ἀγωγεύς, agōgeús conveyor , ἀγωγή, agōgḗ abduction, transport, leading away etc.), often misspelled hypnogogia , is a term coined by Alfred Maury for the… … Wikipedia
Nocturnal myoclonus — Nocturnal myoclonus, also called Periodic Limb Movement Disorder (PLMD), is a sleep disorder where the patient moves limbs involuntarily during sleep and has symptoms or problems related to the movement. If the patient moves limbs during sleep… … Wikipedia
