Xiaomi Amazfit Bip S User Manual page 10

1. Do Not Disturb mode
Tap the Do Not Disturb mode icon to go to the Do Not Disturb settings.
When the Do Not Disturb mode is enabled, the watch won't vibrate when it
receives incoming call alerts, SMS, app notifications, e-mail alerts or nudge alerts.
Select "Auto turn on" and the DND mode is automatically enabled after you go
to sleep wearing the watch.