It takes a certain blend of optimism and paranoia to sleep with your phone within arm’s reach. Something might happen—and I might miss it!

Like FOMO, it’s a mostly Millennial affliction, and the younger you are, the more likely you are to have it. But unlike its better-known cousin, it’s less a social anxiety in an ever-connected world than a symptom of the always-on generation’s evolving approach to work-life balance.

Because in 2014, when your phone’s simultaneously the front door to your home and your mailbox at the office, you’re just as likely to receive a midnight text from your girlfriend as you are a midnight email from the boss. And neither will have any trouble finding you, unconcerned with the fact that you’re in pajamas drifting into the night.

It’s downright dystopian for the baby boomers raised on strict 9-to-5 jobs with neat separation between their social and professional worlds. To them, a successful career and a successful life are simply different: In the 2014 Allstate-National Journal Heartland Monitor Poll, just 71 percent of baby boomers insisted that achieving success in a career is necessary to living a good life, compared to 91 percent of Millennials.

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