People who spend more time looking at a screen in bed are more likely to report insomnia and sleep loss, a study has found. The research is based on a Norwegian survey of more than 45,000 students. It indicates that each additional hour of screen time was linked to a 63% increase in insomnia risk,

Screen use in bed may raise insomnia risk and reduce sleep time, a study of 45,000 young adults in Norway finds.

A new study has found that using your phone, tablet, or computer in bed could seriously harm your sleep. Norwegian scientists discovered that just one extra hour of screen use after going to bed increases the risk of insomnia by 59% and reduces total sleep by around 24 minutes.