Everything from meetings to your kids' baseball practices canput the brakes on your workouts. Here's how to adapt your routine. If evenings are crazy busy for you

Make the switch tomorning workouts by setting your alarm a half hour earlier thanusual and immediately turning on a lamp (light signals your brainto be alert). "For the first few days, just get up and start yourmorning routine," says Rikki Charles, owner of Fitness Guru studioin New York City. "After a week, the wake-up time will seemnormal and you'll feel with it enough to exercise."If mornings are a mad rush

Squeeze in a workout at the endof the day. "If the sun is still shining, move it outdoors," Charlessays. "When darkness sets in, work out in a bright room." (Gymswith glaring fluorescent lights qualify.) Wrap it up at least twohours before bedtime, otherwise you may have trouble falling asleep.