It is said best time to start your day is drink 2 to 3 glass of water empty stomach ;get fresh and practice 20 minutes of work out daily. It will boost your energy level and burn all excessive fats from your body ; from top to bottom and of course your belly fat which is most difficult to burn off. The best way to do work out is to practices yoga, every morning .Starts with stretching and pranayama poses and continue with sun salutation, which will help in producing heat and breathe flow in the body. Check out this video which will help you to know some of yoga poses will boost up and energize you and some poses are calming and give you a relax.