I convinced myself that it was for health but in practice mostly it’s for the following

0. Can see time in dark

1. Notifications, don’t have to take out the phone and doomscroll

2. Find my phone

3. Phone calls when my hands are busy and I stay away from my phone as much as possible

4. TickTick (notifications only, the app sucks on watch, use todoist if you want to USE it)

5. Timers, I follow pomodoro