In Search of Sleep

It happens two or three times a week. I get in bed, turn off the light and wait to fall asleep ... and wait ... and wait. It might be two or three hours before I drop off. And even then, I might wake up a couple of hours later and go through the whole thing again. I'm not alone, either. According to the U.S. National Sleep Foundation, about 60% of American adults experience insomnia every few days, and about a third go through this torment every night. I've been thinking more and more about asking my doctor for Ambien (known...