Have your teen hand in their phone before bedtime. I am not as concerned about the light emitted from the screen as I am ...

Students spend an average of 92 minutes on smartphones during school hours, accounting for 27% of their total daily phone use ...

The day CBS News sat down with the teens and took their iPhones ... Carson didn't make it and asked for his phone back within 24 hours, saying he sat staring at the wall until he had basketball ...