shared a link post in group #Gadgets
Apple’s algorithm draws from over 5 million nights of user data and clinical sleep guidelines.
Unlike competitors who grade you against population averages, Apple’s Sleep Score builds your personal baseline over time. The algorithm synthesizes everything from sleep duration and wake frequency to heart rate patterns and respiratory data, creating a 0-100 score that reflects your trends, not some mythical perfect sleeper. This approach stems from partnerships with the American Academy of Sleep Medicine and National Sleep Foundation—Apple waited until they could make the number genuinely meaningful rather than just mathematically impressive.
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