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TL;DR: A headband sensor picked up brief bursts of force inside the head during sleep in all 45 people tested. People with neurodegenerative diseases had fewer bursts per minute than healthy volunteers, in an early, not yet peer-reviewed study. Key Findings A…
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TL;DR: Researchers used wrist trackers to estimate the sleep stages of 95,559 British adults, then followed their hospital records for about 9 years. Adults who spent more time in REM sleep had lower risk of 83 different diagnoses, and adults sleeping under 5…
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TL;DR: A 2026 feasibility study in the Journal of Activity, Sedentary and Sleep Behaviors found that pregnant participants could use a research-grade accelerometer plus text-message sleep diaries across much of pregnancy, although third-trimester wear declined…
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