In this state, only high priority notifications, like phone calls and chat messages, will wake the phone. (howtogeek.com)
On your phone, you'll see a high - priority notification as well as the name and image of the peripheral you're about to pair. (howtogeek.com)
On the hardware side, a slider button on the left edge has three positions that dictate how notifications are received — all, just priority notifications or no notifications. (zdnet.com)