Here`s how to silence some of those more annoying Chromebook notifications
(Android Central)

Notifications are polarizing; they`re either a blessing or a curse. Sometimes they`re both at once! As useful as they can be to keep you updated on news, weather, messages, or whatever else, they can get in the way of productivity, entertainment, or downtime. We`ll show you how to get a handle on them so that your Chromebook respects your boundaries. How to manage notifications on a Chromebook the short way Click on the lower right corner of the screen where the clock is to pull up the quick settings menu. Click the dropdown arrow next to the Notifications icon. Click on the Notifications icon to turn off or turn on all notifications at once. Click the checkboxes for the apps, plugins, or services that you wish to receive notifications from. You can change this at any time. Toggle the Do not disturb slider to disable your notifications temporarily. How to manage notifications on a Chromebook the longer way Click on the lower right corner of the screen where the clock is to...