In a way, moderate-intensity physical activity is that "magic pill" a lot of people are looking for, because the health benefits go beyond keeping your waistline trim: Not only can it reduce your risk of cancer, stroke, diabetes and heart attacks, but studies have shown that physical activity can significantly improve the moods of patients with major depressive disorders.
Plus, a 2013 study from the University of California, Berkeley suggests that skipping sleep makes your brain's reward zone react to fatty and sugary treats way more enthusiastically. What's more, a study published in the Journal of Clinical Nutrition found that people who didn't get enough sleep ate an average of 385 extra calories that day. In short, more sleep = less calories in your mouth and less fat on your body.
For our purposes here, high-intensity cardio falls between about 80 to 90 percent of your maximum heart rate (MHR) or, if you're not using heart rate zones, about a 6 to 8 on a 10-point perceived exertion scale. What this translates to is exercise at a level that feels challenging and leaves you too breathless to talk in complete sentences. But you're not going all out, as in sprinting as fast as you can. There's no doubt that some high-intensity training work can be helpful for weight loss as well as improving endurance and aerobic capacity.
That’s a big deal considering time and opportunity are some of the biggest hurdles people face when trying to make fitness a priority. “Everyone is dealing with full schedules and competing priorities, so it’s often difficult to add something new to your routine without trading something else out,” O’Connor says. You’ll still need to shift some things around to make running a serious part of your life, but being able to run right out your front door, free of charge, eliminates some very real roadblocks. (For proof, see: 20 Incredible Stories of Weight Loss Through Running)
The rest of the meals throughout the day are fair game. You may distribute fat intake throughout the day however you prefer. You can spread it evenly among meals or eat most of it in one meal. It is recommended that you eat 10-15 grams of fat with your bedtime meal. This will be enough to slow digestion of your nighttime protein and preserve muscle tissue throughout the night while not having any effect on fat loss.