Your phone’s Do Not Disturb mode is handy when you’re busy at work or just want some peace and quiet. It silences calls, alerts, and notifications while your phone is locked.

Mobile phones, an increasing part of daily life as people pressure to stay connected, are contributing to traffic deaths. "Do Not Disturb" feature could cut phone interactions by more than 40%.

When Do Not Disturb is enabled, your iPhone will stay silent and with its screen off, though there are some exceptions and customizations you should know about. But first, let's go over the two ...