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Apple Tightens Sleep Score Tiers in watchOS 26.2 Beta, Renames Top Rating to 'Very High'

Apple says the shift reflects study analysis to match guidance from leading sleep organizations, leaving the scoring method unchanged.

Galaxy Watch Owners Report Suddenly Sky-High Sleep Scores

Brighter Days and Cooler Nights Linked to Better Sleep in Dementia, Long-Term Home Sensor Study Finds

Medical Cannabis Linked to Early Sleep Gains in Insomnia, With Benefits Waning Over 18 Months

Exercise Intensity and Timing Key to Easing Insomnia

Preliminary Research Links Weekly Nightmares to Accelerated Aging and Early Death

Daily Avocado Intake Improves Sleep and Blood Lipids but Leaves Overall Heart Score Unchanged

Study Identifies Hypothalamic PVN-LH Circuit Driving Stress-Related Sleep and Memory Deficits

Night Owls Face Steeper Cognitive Decline Over 10 Years