There is now an update button in the upper right corner, which, when clicked, will provide you with more up-to-date device usage data for the day. As a reminder, this widget belongs to the Digital Wellbeing app.
Add Realmicentral to your Google News feed. 
What is Digital wellbeing?
In Digital Wellbeing, you can see which apps and websites you use most and set daily limits. Once you hit the limit, those apps and sites pause and notifications go quiet. So you’ll spend only the time you want, exactly where you want.