Use Do Not Disturb on your Mac
When you need to focus on a specific task, or just need a break from notifications on your Mac, you can turn on Do Not Disturb. You don’t see or hear notifications as they arrive, but they’re collected in Notification Centre, where you can view them later.
Temporarily turn on Do Not Disturb
In the menu bar on your Mac, click Control Centre
. In Control Centre, click the Do Not Disturb icon
to turn it on indefinitely or click anywhere in the Do Not Disturb control to choose a different duration, such as one hour.The Do Not Disturb icon appears in the menu bar to indicate Do Not Disturb is on.
To close Control Centre, click anywhere on the desktop.
You can also turn on Do Not Disturb by pressing and holding down the Option key while you click the date and time in the menu bar, or by pressing 
(if available in the row of function keys on the keyboard).
Temporarily turn off Do Not Disturb
In the menu bar on your Mac, click the Do Not Disturb icon
. Click the active duration (it’s highlighted), then click anywhere on the desktop.
The Do Not Disturb icon is removed from the menu bar.
You can also turn off Do Not Disturb by pressing and holding down the Option key while you click the date and time in the menu bar, or by pressing (if available in the row of function keys on the keyboard).
Schedule Do Not Disturb
On your Mac, choose Apple menu
Click Do Not Disturb at the top of the sidebar, then set options to schedule it.
You can schedule Do Not Disturb for a time period, when your Mac is in sleep, when the screen is locked or when you mirror the screen (for example, while playing a presentation).
If you want to receive call notifications even when Do Not Disturb is on, select the call tick boxes.
Tip: You can use Dock & Menu Bar preferences to always show Do Not Disturb in the menu bar so it’s even easier to turn it on or off. Do Not Disturb is always available in Control Centre.