The phone buzzes. It's 2am. A hand reaches out towards it.
Checks the messages.
Rolls over, taps out a quick reply, and goes back to sleep.
This is not an unusual occurrence. Around the world, teenagers are finding their lives disrupted by the constant hum of digital communication and a 24/7 social world that never quite switches off.
So, I decided to investigate exactly what happens inside the phone of a teenage girl.



























