"Avoid screens before bed" is one of the most common pieces of sleep advice. But what if the real problem isn't screen time—it's the way we use social media at night?

Research suggests that how often people check social media − and how emotionally engaged they are with it − can influence sleep even more than how much time they spend online.

An hour of in-bed screen time increases insomnia risk by nearly 60 per cent and lowers sleep duration by about a half hour, a new study has found.The researchers from Norway also found that even just ...