Why should you get up early? Oprah Winfrey and Michelle Obama are among the many who have managed to wake up to the sun. To step into the day . . even if it feels like the middle of the night outside. There's nothing wrong with that. In fact, maybe I should do the same thing someday when I have kids or finally own a business. And let's say that in a certain season of your life, you really have to wake up in the wee hours of the morning to maintain a work/life balance, you have my full respect. For others, and for the sake of the 9- or 5-year-old boy or girl, let me suggest an alternative. I did not wake up at 5 a.m. every day during this week-long experience. What I did do is get up earlier than my usual alarm clock, and I think that's the whole problem. During a typical week, I get up at 8 a.m.: Don't rush to get out of bed. Train in the morning, which experts say is most effective. Prepare breakfast. Put on...