I do the same and while I do get away with it, it's not appreciated at all by those people who sleep with their phone in their hand. I get crap about it all the time and if I was an employee I would be very concerned about that habit affecting my career path.

All that said, there's no way in hell I'm changing this. If something is urgent I will get a text or even a phone call. Everything else is always important but not urgent and people just refuse to think about the difference.