Did you roll over and sink into that extra hour of sleep this morning? FitSugar says you could have turned that hour into a 400 or more calorie deficit. Take advantage of daylight savings time and kick-off regular morning workouts this week.

We know, anti-morning fitness folks dread the thought of 160 beats per minute before the clock strikes noon. Yet, they secretly admire the gal who runs a 5K before her Special K. If jumping out of bed to break a sweat is shaky, foreign territory, that extra hour could be your passport to a rooster workout habit. Even a brisk walk with a firm lid on your coffee will burn through 200-plus calories.

Here are five reasons to exercise in the morning.