This article explains how to use Samsung's Do Not Disturb feature on a Galaxy phone. Information applies to devices running Android 7.0 Nougat and later.

Do Not Disturb on Android is a handy way to stay focused. DND mode on Galaxy phones works a little differently than stock Android, but is still easily accessible from the Quick Settings menu and the Settings app.

Swipe down twice from the top of the screen to access Quick Settings, or swipe down once with two fingers.

Tap the Do Not Disturb icon to turn the feature on or off.