New study finds no decent evidence that blue light from screens delays sleep Instead, phones interfere with ... adding that looking at your emails just before bed is a 'really bad idea'.

Your phone may be aging you faster than you realize. Learn how screen habits affect your skin, sleep, and brain health.

Daniella Gray is a Newsweek Family & Parenting Reporter based in London, U.K. Her focus is on family dynamics, childhood development, parenting styles, U.S. education and current trends in family ...