My bed and I spend less time together than the experts say we should. Most nights, my head hits the pillow around 11:00 pm, and I’m up—without an alarm—at 5:30 am. That six and a half hours of shuteye ...

I meet a fair number of parents whose kids don’t fall asleep as fast, or stay asleep as long as they’d like. There can be many reasons for this, but a surprisingly common one is that the parents ...