The watchOS 26.2 update arrives with a tighter sleep-scoring system and a required Wi-Fi change for users in the European Union.
Apple Watch Series 10
Apple adjusted the sleep score ranges in watchOS 26.2 to better match how people feel after a night’s rest. The highest score now reflects a genuinely restorative night instead of a generous rating.
Users who track sleep daily may see different numbers even when habits stay the same.
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