The blue light from your phone isn't ruining your sleep For a decade, we've been told our screens are wrecking our sleep. The real culprit is far bigger than the glow from your phone.

The blue light from your phone ISN'T RUINING YOUR SLEEP. Stop spending money on blue blocker lenses. bbc.com/future/artic... #scams #screentime #bluelight #blueLEDs #sleephabits