
TL;DR: Among 183 people with Parkinson’s in Finland, daytime sleepiness, napping, restless legs, sleep talking and nightmares all became more common over five years. Insomnia stayed about the same. Key Findings Daytime sleepiness: 31% to 39%. Daily naps: 21% t…
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TL;DR: A 2026 mouse study in Neuropsychopharmacology found that brain iron deficiency made an opioid-responsive striatal pathway unusually sensitive to D1 dopamine receptor stimulation, pointing to a possible circuit mechanism for restless legs syndrome and op…
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TL;DR: A 2026 paper in Current Therapeutic Research described an acute PGAD-like genital arousal episode after self-initiated duloxetine withdrawal, with symptoms resolving within 5 hours after emergency admission and no recurrence over 36 months. Key Findings…
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TL;DR: A 2026 preprint on medRxiv using the Harvard Biomarkers Study found that 43% of Parkinson’s disease patients had depression, anxiety, sleep apnea, or restless legs syndrome, compared with 21% of controls. Key Findings 1,224-person cohort: Researchers an…
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