The average person spends 4-5 hours a day on their phone, about a third of the time they are awake. We self-interrupt our work and social lives, forgo sleep, procrastinate important tasks and opt for digital distraction when we're bored or feel uncomfortable. NHS neurology doctor and neuroscientist Faye Begeti describes what is happening in our brain when we use our phones and why we have formed so many fixed and negative habits around them. She reflects...