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TL;DR: Across 5 small trials of 343 people after stroke, people who sat in bright morning light reported better sleep quality than comparison groups. But measured time awake at night showed no clear change, so the benefit may be more about how sleep feels. Key…
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TL;DR: A 2026 meta-analysis in PLOS One found clinically important sleep problems in refugee and asylum-seeking populations, with pooled sleep-adversity prevalence of 43.2% in adults and 36.4% in children and adolescents. Key Findings 66 studies reviewed: The…
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TL;DR: A 2026 preprint in medRxiv found that poor sleep tracked faster biological aging across more than 64,000 adults, but twin and genetic analyses left the causal claim mixed rather than settled. Key Findings 64,000+ adults: Researchers tested sleep and agi…
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TL;DR: A 2026 cross-sectional study in PLOS One found that people with post COVID-19 condition reported worse quality of life, fatigue, sleep, psychological wellbeing, and subjective cognition than COVID-19 survivors without the condition, while many objective…
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TL;DR: A 2026 study in Psychological Medicine found that sleep quality partly explained how early adolescent depression, anxiety, and psychotic-like experience distress were linked to later school grades and social problems in the Adolescent Brain Cognitive De…
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TL;DR: A 2026 systematic review and meta-analysis in Journal of Sleep Research found that agomelatine modestly improved subjective sleep quality versus placebo, but objective total sleep time did not significantly increase and somnolence reports were more freq…
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TL;DR: A 2026 pilot trial in PLOS One found that a 7-day chicory-and-green-tea herbal supplement did not improve sleep, quality of life, or objective sleep architecture more than placebo in adults with insomnia. Key Findings Small crossover pilot: The crossove…
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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 study in Communications Psychology analyzed 1,687 dream reports and 1,679 waking reports, finding that dreams were more visual, spatial, social, bizarre, and emotionally negative than waking experiences. Key Findings 3,366 reports analyzed: the m…
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Gabapentin Plus Hegu Embedding Improved Post-Herpetic Neuralgia TL;DR: Adding weekly Hegu-point catgut embedding to gabapentin cut post-herpetic neuralgia pain and sleep disruption more sharply, raising response from 80.0% to 92.4%. Key Findings 210 randomized…
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