Early-Morning Exercise May Help Prevent Weight Gain more than other times of day.

There is some evidence that working out on a completely empty stomach — or, as scientists call this woozy, wee-hours condition, “in a fasted state” — prompts the body to burn more fat and potentially stave off weight gain, compared to exercising at other times. http://well.blogs.nytimes.com/2015/01/23/ask-well-the-best-time-of-day-to-exercise/?ref=health&_r=0