Blue light tricks the brain, lowering melatonin and delaying sleep. Follow this doctor’s healthy routines for a good night’s ...

Our brains are hard-wired to stay awake during daylight hours and fall asleep when it gets dark. That’s why screen time can ...

What do some kids do when there are no screen time limits? We found out. — -- Becky Worley is a technology correspondent for ABC News and "Good Morning America" who has been covering technology ...

School starts up again soon, and parents will trade fighting over video games and cell phones to fighting over schoolwork, video games and cell phones. It’s not an ideal world we have created for ...

Eye strain occurs from staring at screens too long, reading small text, and poor posture. Symptoms include blurry vision, ...