1. It boosts your mood Are you a grouch in the mornings? A long stream of research indicates that exercise boosts endorphins and other feel-good hormones, and the high may last enough to push you through the morning slump and keep you smiling all day.
2. It may help you burn more kilojoules Working out in the morning, say experts, gives your metabolism a mega-boost, setting your body on track to burn more kilojoules throughout the day - even when at rest.
3. It may be less toxic Experts believe that, in general, air quality may be better in the morning hours than afternoons. So when you're huffing it up on your still-sleepy neighbourhood streets, you'll breathe in less toxic air than later in the day.