Anyone who has even briefly suffered insomnia knows that the advice is to banish gadgets from the bedroom. There have been endless warnings about the disrupting effects of blue light, the neural problems caused by scrolling through web pages at 3am, and the psychological horror of allowing hard, unfiltered information
Why it's not just teenagers who are suffering from 'PhoMo'
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Like the teens who are so worried about missing a message that they ping awake in the small hours to check in, we are becoming slaves to our phones. Photo / iStock
Like the teens who are so worried about missing a message that they ping awake in the small hours to check in, I have become a slave to my phone because, like a bad boyfriend, it gives just enough to keep me hooked.
And it's when I go to bed that it really comes into its own. When once I used to read novels, I now use that time to scroll through Twitter, read articles about Jeremy Corbyn or the dangers of sugar, update Facebook, and post-process the photos I took on the journey to work (I commute through an attractive landscape).
Over time, it has got to the point where, if I'm "off-grid", I feel the way I did when I was off school, ill - as though all the exciting stuff is happening without me. But now I'm desperate not to miss breaking news, a tweet that's gone viral, or a message from my boyfriend, son or friend that I can't answer - because I'm not there, ready and waiting. The well-used Twitter trope "Late to this" isn't just an admission but an admonishment - and sleeping for eight solid hours means that adults, like their teenagers, will be late to everything.
"But what does it matter?" ask the smug sleepers who remain impervious to the siren lure of social media, who can "take it or leave it" and "don't really see the point". Who cares if you read a funny George Osborne joke or reply to a friend at 3am or 10am? To which I say, I care, because I want to watch the world as it unfolds and be a part of it, not show up at the back of the hall late, when all the best seats have been taken.
Social media is fascinating, like a gripping novel that never ends. When I was a child, I would stay up past midnight reading, because I couldn't bear not knowing what happened next, even though it meant spending the next day limp and whey-faced. Now it's possible to do the same in real time, and there's no one to come in and switch the light off.
But there's a difference between my early hours iPhone addiction and that of a teenager. Mine is down to my fear of missing out on interesting things, but I suspect that a teenager's worry is about self-protection, a constant urge to check they're not being assessed on social media and found wanting.
I've never had to deal with bullying in cyberspace, or sexting, or a mistimed tweet being mocked. I haven't had to risk public shaming on Facebook, or a picture of my training bra going viral. And I never felt, as a teenager, that everyone's life was better than mine. I didn't know if it was or not. We didn't discuss it.
It must be both demoralising and exhausting for today's teens. And while I can catch up on my sleep at the weekend, sadly, the kind of mental exhaustion and social media angst they face isn't as easily overcome.