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The study of the internal biological clocks that regulate the sleep-wake cycle.
No randomized trials have directly tested whether changing (for example, supine versus lateral) alters amyloid or tau levels in humans; the randomized human experiments reported in the scientific lite...
Night‑shift workers reduce circadian misalignment and long‑term health risks by combining consistent sleep timing, strategic napping, controlled light exposure, and careful scheduling practices; these...
Short answer: no — mainstream sleep recommendations are grounded in circadian biology, epidemiology and performance research rather than an assumption that everyone works an eight‑hour day, though man...