All of my family sleep with mobiles within reach. For me, it’s my alarm clock, tells me bedtime stories and sings me to sleep. Yes, I do panic if I forget to take it out with me. If there’s an emergency, how else can I dial 999? Knock on someone’s door? Would you answer in the middle of the night? If my daughter forgets to charge hers, yes, I worry. It’s a scary world out there if you’re a teen’s dad. Notice, however that my generation’s biggest worry is not being able to make calls; the thing for which mobiles are now least used…