4. Here’s a simple screen-time tip Reduce your brightness, turn on night mode, and try the 20-20-20 rule every 20 minutes, take a 20-second break and look 20 feet away. It’s good for your eyes ...

In today’s Health Alert, a new study is raising concern about how screen time could be impacting your child’s heart health.

A version of this article appears in print on Jan. 18, 2024, Section B, Page 5 of the New York edition with the headline: How to Cut Down Your Screen Time but Still Get Things Done.

The app limits phone use by encouraging users to clock steps to unlock screen time. I tried it out for a week, and I noticed it made a difference in my morning routine.