Apple Watch offers a built-in sleep tracking feature that automatically monitors sleep when worn to bed. With watchOS 26, Apple introduced a sleep score feature to visualize sleep quality over time. This feature provides a daily assessment of sleep performance.
Initially, Apple Watch could notify users of their sleep score daily. However, a recent update allows for granular control over these notifications. Users can now select specific sleep score ranges for which they wish to receive alerts, such as "OK," "Low," or "Very Low" scores, while opting out of notifications for "High" or "Very High" scores.
These notification preferences can be adjusted through either the iPhone Watch app or directly on the Apple Watch. On iPhone, navigate to the Watch app, then to the Sleep section, and tap "Sleep Score Notifications." On Apple Watch, go to the Settings app, scroll to the Sleep section, and tap "Sleep Score Notifications" to toggle alerts for specific ranges.
The Apple Watch calculates the sleep score based on three primary factors: sleep duration, which accounts for 50 points; bedtime consistency, contributing 30 points; and interruptions during sleep, making up the remaining 20 points. This comprehensive approach aims to provide a detailed overview of sleep quality.
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Apple Watch's sleep tracking feature, introduced in watchOS 26, includes a sleep score that can notify users about their sleep quality. Users can now customize these notifications to only receive alerts for "OK," "Low," or "Very Low" sleep scores, rather than all scores, to focus on actionable insights.