I have small children. Often, they need to be picked up from where they are. Not infrequently, I do another hour of work on the laptop after bedtime, but that

I have small children. Often, they need to be picked up from where they are. Not infrequently, I do another hour of work on the laptop after bedtime, but that too is limited my awareness that one or the other of my kids is likely to wake me up in the middle of the night and I'll be useless the next day if I don't go to sleep soon.