Also found in: Acronyms.

periodic leg movements in sleep



Jerking or twitching of the toes, ankles, knees, or hips during sleep.
Medical Dictionary, © 2009 Farlex and Partners

Periodic limb movements in sleep (PLMS)

Random movements of the arms or legs that occur at regular intervals of time during sleep.
Gale Encyclopedia of Medicine. Copyright 2008 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
We found a decreased time in REM sleep and a tendency of improvement in the number of arousals especially in relation to a reduction of spontaneous arousals and PLMS during REM sleep.
Another alternative to the linear regression model is a semiparametric partial linear regression model (PLM).
In addition, PLMs are thought to be more prominent in this form of the disease.
Billiard, "Are periodic leg movements during sleep (PLMS) responsible for sleep disruption in insomnia patients?" European Journal of Neurology, vol.
Given the data set [{[y.sub.i], [x.sup.(1).sub.i], [x.sup.(2).sub.i]}.sup.n.sub.i=1], where [y.sub.i] is the response and [x.sup.(1).sub.i] = ([x.sub.i1], ..., [x.sub.ip]) and [x.sup.(2).sub.i] = ([x.sub.i(p+1)], ..., [x.sub.i(p+q)]) are vectors of covariates, the basic PLM has the following form:
These systems and services include PLM (Product Lifecycle Management), SCM (Supply Chain Management), ERP (Enterprise Resource Planning), and MES (Manufacturing Execution System), and devices.
Under the current construct, the majority of the responsibilities for the ELEX HLAs fall under the Accountable Property Officer that reports to the HLA Owner and the PLMs assigned to oversee the ELEX HLA system.
Table 1 Medications for RLS and PLMS Medication and Mechanism of Common side Relative dosing action effects contraindications Gabapentin, 100 Unknown in Dizziness, Severe renal to 900 mg, 3 RLS sedation, edema impairment times a day Ropinirole, D2, D3 Sedation, Severe renal 0.25 to 4 mg, agonist hallucinations, impairment gradually disinhibition titrated Pramipexole, D2, D3 Sedation, Severe renal 0.125 to 0.5 agonist hallucinations, impairment mg disinhibition PLMS: periodic limb movements of sleep: RLS: restless leg syndrome The cause of RLS is an abnormality of central dopamine or iron, or both, in the substantia nigra; iron is a cofactor in dopamine synthesis.
In both adults and children, iron deficiency has been linked to the presence and severity of restless legs syndrome (RLS) and periodic limb movements of sleep (PLMS).
Nocturnal laboratory polysomnography disclosed a sleep latency of 5.5 min, REM latency of 26.5 min, sleep efficiency of 85.4%, and a normal representation of the different sleep stages; periodic leg movement during sleep (PLMS) index was 47.5/hour, with a relatively low periodicity index (0.34) [25]; leg movements were more frequent but less periodic in REM sleep than in NREM sleep and did not show a clearly decreasing trend through the night.