nocturnal myoclonus(redirected from Periodic limb movement disorder)
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frequently repeated muscular jerks occurring at the moment of dropping off to sleep.
a sleep disorder that usually affects older adults and is marked by thrashing or kicking movements. The condition may be exacerbated by the use of tricyclic depressants used to induce sleep.
Management For nightly symptoms, dopaminergics are the agents of first choice, opiates second choice; for pain, gabapentin, opiates, dopaminergics, then sedative-hypnotics
1. Restless legs, see there; a condition of periodic lower-leg movements during sleep with associated daytime sleepiness, or complaints of insomnia. See Sleep disorder.
2. Sleep-related myoclonus, see there.
noc·tur·nal my·oc·lo·nus(nok-tŭr'năl mī-ok'lō-nŭs)
Frequently repeated muscular jerks occurring at the moment of dropping off to sleep.
A disorder in which the patient is awakened repeatedly during the night by cramps or twitches in the calf muscles. Nocturnal myoclonus is sometimes called periodic limb movement disorder (PLMD).
Mentioned in: Sleep Disorders