Dhaka, May 14 -- A vast majority of school-going children in Dhaka are spending over double the recommended time on digital screens, a study by the International Centre for Diarrhoeal Disease Research, Bangladesh (ICDDR,B) has found.

It linked excessive screen time with sleep deprivation, headaches, eye problems, obesity and mental health risks.

The research, conducted between 2022 and 2024, monitored 420 children aged 6 to 14 from six schools -- three Bangla-medium and three English-medium -- in Dhaka.

The findings were published in the Journal of Medical Internet Research (JMIR) Human Factors, ICDDR,B said in a statement on Thursday.

The research found that four in five children, or 83 percent, spend more than two hours a day on scr...