Apple removed the iPhone-only sleep tracking feature (Time in Bed) in iOS 18
It seems that after upgrading to iOS 18, you're no longer able to track Time in Bed. Sleep tracking and Time in Bed are now only available through the Apple Watch.
It seems that after upgrading to iOS 18, you're no longer able to track Time in Bed. Sleep tracking and Time in Bed are now only available through the Apple Watch.