watchOS 26.2 makes a big change to Sleep Score, here’s what’s different

One of the headlining features of watchOS 26 is Sleep Score, which provides a nightly score and classification of ...
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Q&A: Electrocardiography-based sleep stage scoring ‘on par’ with polysomnography

Please provide your email address to receive an email when new articles are posted on . Electrocardiography data can be put into a neural network to score/determine sleep stages. With ...

WatchOS 26.2 beta: How sleep scores are changing

It's about to get a little bit more difficult to ace your sleep score on the Apple Watch.