You’ll get a natural energy boostA brisk walk first thing in the morning has been shown to help people stay more active all day long. (These other caffeine-free energy boosterscan also help.) Your brain will benefitRegular exercise increases production of brain-derived neurotrophic factor, a protein that boosts mental acuity. The effect may linger for up to 24 hours postworkout, which means that evening exercisers aren’t able to take full advantage of the mental benefits. You’ll develop a routineCrossing exercise off your to-do list first thing in the morning makes you more likely to work out before distractions, such as professional and family responsibilities, get in the way. Studies have shown that participants were more likely to stick with their fitness routines when they worked out in the a.m. You’ll keep hunger at bayExercising in the morning has been shown to result in fewer food cravings throughout the day. And those early walks may also help your body burn calories faster and more efficiently all day long. (Also try these 7 strategies for controlling your strongest cravings.)