"Unlike the Apple Watch, the OPPO Watch can monitor sleep quality, generating a sleep report of the user's duration of deep sleep, light sleep, and awake time."
Why do you keep repeating this nonsense?
OF COURSE the Apple Watch can monitor sleep quality. I've been doing so for years.
The built-in software does not do so, but there are multiple 3rd party apps like AutoSleep or Sleep++ that do a very good job at a very low price.
Autosleep, for example, is $2.99, and worth every penny:
Why do you keep repeating this nonsense?
OF COURSE the Apple Watch can monitor sleep quality. I've been doing so for years.
The built-in software does not do so, but there are multiple 3rd party apps like AutoSleep or Sleep++ that do a very good job at a very low price.
Autosleep, for example, is $2.99, and worth every penny: