watchOS 9 is the next big software update for the Apple Watch, and one of the most important changes in this release is without a doubt the addition of more advanced sleep insights.
As Apple announced today at WWDC, watchOS 9 will include more advanced sleep tracking, with the Apple Watch to let users analyze the sleep stages both on their iPhones and on the smartwatch.
Obviously, sleep stages are nothing new for smartwatches, as they’ve long been available on other devices, including Fitbit and Garmin trackers. But this is big news for the Apple Watch nonetheless, as this functionality was until now offered only via third-party applications.
“The Sleep experience on Apple Watch already empowers users to create Wind Down and Bedtime schedules, as well as track their sleep to help them meet their goals. Sleep tracking in watchOS 9 provides even more insights with the introduction of sleep stages,” Apple explains.
“Using signals from the accelerometer and heart rat… (read more)
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