
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 study in Journal of Clinical Sleep Medicine found that 36 of 42 Hodgkin lymphoma survivors tested after mantle radiation therapy had obstructive sleep apnea (OSA), despite mostly normal BMIs and slender necks — an under-recognized phenotype linke…
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TL;DR: A 2026 study in Consciousness and Cognition found that waking mind wandering and nighttime dreaming had nearly the same density of bizarre elements, even though dreams were more likely to be rated as bizarre whole reports. Key Findings 379 experience re…
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TL;DR: A 2026 study protocol in Trials describes COSTS, a randomized trial that will compare cognitive behavioral therapy for insomnia (CBT-I) with standard cognitive behavioral therapy (CBT) in 60 people with treatment-resistant schizophrenia and persistent s…
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TL;DR: A 2026 preprint in medRxiv found that under-mattress sleep sensors associated lower nighttime respiratory rate and more unstable nighttime movement with higher odds of next-day agitation in dementia, while the same features did not predict how severe ag…
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TL;DR: A 2026 study in Brain, Behavior, & Immunity – Health linked better sleep quality before influenza vaccination and earlier chronotype to stronger immune-response markers in 108 adults. Key Findings Vaccination cohort: Researchers studied sleep, vaccinati…
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TL;DR: A 2026 scoping review in Nature and Science of Sleep found that sleep bruxism and gastroesophageal reflux disease were positively associated across 7 adult human studies, but the evidence remains too heterogeneous to prove causality. Key Findings 174 re…
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TL;DR: A 2026 cross-sectional study in Nature and Science of Sleep linked second-trimester sleep disturbance, measured with the Pittsburgh Sleep Quality Index (PSQI), to depressive symptoms, vomiting, diet quality, and several birth-outcome patterns in 2,210 p…
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TL;DR: A 2026 systematic review and meta-analysis in Psychogeriatrics linked loneliness with Alzheimer’s disease and several forms of suicidal behavior, with especially strong shared correlations for hopelessness, insomnia, entrapment, and stress. Key Findings…
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TL;DR: A 2026 real-world cohort study in Journal of Diabetes & Metabolic Disorders linked GLP-1 receptor agonists, drugs targeting a glucose-related metabolic hormone pathway, to a higher hazard of new hypersomnolence, but the absolute risk increase was small.…
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