Task: Question Answering
Input (English): Context: Exercise really helps , especially in the morning . I have started jogging with my dog in the mornings and I really feel like my days are more productive when I do . It also helps any bad feelings I have that are distracting me because I can just think through them on the jog and then my mind is clear and I am ready to focus . Sticky notes are my friend ... before I leave work I write down three things I want to accomplish at work the next day and stick it on my monitor . 
Question: What may be the reason why exercise is good for them in the morning ?
Output (English): They have energy throughout the day .