Sleep tracking with the new update is the best. I use a third part app to track my sleep and in competition the both ones are very similar but the information is
Apple Watch sleep tracking review: How to use it for better sleep - Wareable
Track your sleep with Apple Watch - Apple Support (CA)
Apple Watch vs Fitbit: How accurate are they as sleep trackers? | ZDNET
How to Track Your Sleep With Apple Watch - MacRumors
AutoSleep 5' Brings Live Sleep Tracking to Apple Watch and iPhone X Support - MacRumors
Apple Watch vs Fitbit: How accurate are they as sleep trackers? | ZDNET
How to Use the Apple Watch Sleep Tracker | PCMag
Apple Watch to get built-in sleep tracking by 2020, says report - Wareable
Sleep Tracking with the Apple Watch Ultra - Jessica Bryson
The best sleep tracking app for Apple Watch - Wareable
How To Use Sleep App On Apple Watch (...in under 6 mins) - YouTube
How the Apple Watch tracks sleep -- and why - CNET
The Most Comprehensive Guide on Apple Watch Sleep Tracking– Wristcam
Does Apple Watch Track Sleep? — SleepWatch
watchOS 7: Hands-on with native Apple Watch sleep tracking - 9to5Mac
Track your sleep on Apple Watch and use Sleep on iPhone - Apple Support (CA)
I tested Apple Watch sleep tracking to save you time and battery life | VentureBeat
Apple Watch Sleep Tracking: How it actually works // Setup, Tested, Details, Comparisons - YouTube
Sleeping With The Apple Watch Series 8 | aBlogtoWatch
Does the Apple Watch track sleep? - Android Authority
Apple Watch can now track Sleep BETTER! This is how to activate it | Wearables News
Apple's New Watch OS Promises Intense Sleep Tracking | Sleepopolis
