More than half of teens in the US spend an hour or more on their phones during school nights between 10 p.m. and 6 a.m.
New research shows late-night scrolling through social media and entertainment apps cuts into sleep hours important for developing brains.
Building healthier screen habits requires parents to model good behavior and create family-wide device boundaries, experts say.
AI-generated summary was reviewed by a CNN editor.
Teens’ glued-to-their-phone habits are turning many of them into night owls on school nights — at a time when they need all the sleep they can get.
