What is Do not Disturb mode?

Do not Disturb mode is a feature introduced in Android 6.0 that allows the user to completely turn off all sounds or vibration from incoming calls,messages and notifications. This feature can be accessed from the notifications bar.

Note: There are three modes for this feature that can be set to be active indefinitely or for a fixed period of time: “total silence”, “alarms only” and “priority only”.