While this could be for many different reasons, completely burying their face can mean something specific: Do not disturb.

Every night before I sleep, I set my phone to Do Not Disturb, one of the many steps I have to take to not stare at my phone late into the evening. It makes it so that I can still receive text ...

The Sleep focus mode is great for automatically silencing all notifications to prep for bedtime so you're not tempted to look at your screen. When Do Not Disturb is on, you can also customize who ...