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TL;DR: In rats stressed with mild foot shocks, REM sleep, the dream stage, dropped. The insomnia drug suvorexant and two related experimental drugs partly brought it back, and suvorexant also helped the rats fall asleep faster, but this was a small study in 9…
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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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TL;DR: A 2026 mouse study in Psychopharmacology found that repeated dexamethasone, a synthetic glucocorticoid steroid, disrupted light-phase sleep and increased orexin-neuron activity, a wake-promoting hypothalamic signal, during sleep-to-wake transitions. Key…
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Prescription opioid painkillers like oxycodone can be very addictive. People who use them for a long time often have trouble stopping, even if the drugs start causing problems. A new study tested a drug that blocks brain signals that keep people wanting opioid…
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