Despite the fact that the Apple smartwatch feature many of the sophisticated functions, it lacks the most important feature at all which is offered by rival companies such as Garmin and Fitbit and Samsung with its smart; it is tracking sleep. It supports all of the Fitbit Versa and Galaxy Watch and Galaxy Watch Active this feature already, while lacking the Apple Watch.
I know of
It was the users of the fourth generation of Apple Watch app download Army Foreign such as the application Sleep Watch by Bodymatter to get the feature to record and track hours of sleep.
Think tracking sleep is very useful to many, and for that reason plan to Apple get with the fifth generation of her watch smart, which is expected to arrive in this year, or the previous generation, which will be released probably by the year 2020.