Restless legs syndrome (RLS) is an urge to move the legs—often with uncomfortable sensations—worse at rest and in the evening. It can delay sleep onset and fragment sleep, and is sometimes linked to low iron.
Why This Matters
This matters because RLS causes repeated arousal and movement, which leads to chronic sleep loss and daytime fatigue. It’s also treatable—checking iron status and addressing triggers can result in large improvements. Recognizing RLS prevents mislabeling it as “anxiety” or “restlessness” without a physiological cause.
Where This Changes
Symptoms can worsen with sleep deprivation, caffeine, and some medications, and can increase during pregnancy. If symptoms are frequent or severe, a clinician can help rule out iron deficiency and select appropriate treatments.
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