I generally turn off non-calendar notifications. For work email I use the Nine app which has a nice VIP option so I only get notified for messages by a few key

I generally turn off non-calendar notifications. For work email I use the Nine app which has a nice VIP option so I only get notified for messages by a few key people. Otherwise I get to my email when I open it by choice. I also enable silent time so all non-alarm notifications are muted from 10pm to 7am.