While definitely a handy feature to have, it does raise concerns about the Apple Watch's already short battery life that practically requires users to charge it every night.
Considering Apple's focus on health-related features, it wouldn't be surprising to see Apple announced features related to sleep which will give some actionable insights or tips and tricks to improve your sleep quality.
Apple has not officially announced a sleep-tracking function for the Apple Watch, and representatives didn't immediately respond to Business Insider's request for comment.
According to MacRumors, code within iOS 13 reveals Apple is working on a new feature called Schooltime for the Apple Watch. Like the sleep tracking features available on other wearables, Apple Watch will soon allow you to track sleep quality using multiple sensors, heart rate and noise. We also heard that there will be some new ceramic and titanium versions of the device, these are expected to be more expensive than the standard Apple Watch. But this year it appears that it will settle for reminding users to charge their watches in the evening ahead of bedtime. A new bedtime DND will be introduced which will enable DND when a user goes to bed. Beyond free tools, Fitbit is also including more sophisticated sleep tracking features as part of Fitbit Premium, its new personalized fitness service that costs $10 per month. To solve the problem, Apple offers the screen replacement program that will replace the cracked screen on eligible Apple Watch units for free.
Rumor mill: Apple may have found a way to provide Watch sleep tracking without a big penalty on battery life and is expected to showcase the feature at its upcoming event on September 10. You can also select the option to just keep the alarm in the vibration mode on the Apple Watch. The alarm will also only play through the Watch, with an iPhone as a backup. The sleep data will be aggregated within the Health app that Apple is turning into a comprehensive digital health platform.