We’ve all seen it—or maybe we’ve been told we do it: twitching, jerking, or kicking in the night. But when does this common sleep quirk cross the line into a diagnosable condition? In this episode, we will:Define Periodic Limb Movement Disorder (PLMD) and explain how it differs from simple nighttime movementsExplore its surprising prevalence in both adults and children—and its strong ties to Restless Legs SyndromeReview leading theories of cause, from dopamine to iron to spinal generatorsHighlight intriguing new research, including cardiovascular links and AI-based detectionDiscuss treatment strategies—from iron replacement to dopaminergic medications and lifestyle approachesProduced by: Maeve WinterMore Twitter: @drchriswinter IG: @drchriwinter Threads: @drchriswinter Bluesky: @drchriswinter The Sleep Solution and The Rested Child Thanks for listening and sleep well!

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