Then, in such a case, how about making your notifications more impressive and attractive so that you are more likely to be interested and positive to receive the calls and messages. You have no choice to mute the notifications because they are important calls and messages, maybe urgent cases from your work. Supposed, if you are notified with sole vibration or sole sound notification or sole vibration along a specific sound notification, you probably get annoyed when someone keeps calling you or constant messages burst.
Choose Notifications & Sounds and select the tone for this app.
Quick Guide on How to Change Facebook Notification Sould
