<unk>  is estimated to occur in approximately 4% of adults (aged 15–100), but is more common in the elderly, especially females, with up to 11% experiencing symptoms.<unk>  appears to be related to restless legs syndrome (RLS) - a study of 133 people found that 80% of those with RLS also had PLMS. However the opposite is not true: many people who have PLMS do not also have restless legs syndrome.<unk>  is an uncommon childhood<unk> . Based on adult criteria and PSG analysis, studies showed prevalence of isolated<unk>  in children population with no other comorbidity about 1.2 to 1.5%. There was also evidence for 5.6 to 7.7% of children with PLMI > 5/hr.<unk> <unk><unk> s during sleep are associated with a lower quality of life in children with monosymptomatic nocturnal enuresis
Periodic limb movement disorder
Periodic paralysis
Cramp fasciculation syndrome
Essential tremor
Holmes tremor
Torsion dystonia
Lonomia
Oromandibular dystonia