‘Lastly, if your nutrition is on point but you still have excess tummy fat, then you need to look at your training. There’s a real craze for high-intensity workouts and really pushing yourself at the moment, but training is a stress on the body, and if you’re not giving it the tools to manage that stress and recover from it, then it can lead things like excess belly fat.
Do this: We can't harp on this advice too much: Eat at least 1g of protein per pound of bodyweight every day. Your major protein sources should be lean meats (chicken, steak, turkey breast, tuna), egg whites (the yolks contain the fat, so discard most of them when you're trying to lose fat), protein powder (whey or casein), and low-fat cottage cheese. As for fat, limit it to 20-30% of your total daily caloric intake.
As for carb choices, the aforementioned bagel should be 100% whole wheat, not white. At all times during the day, in fact, choose whole-grain foods over refined ones, the only exception being immediately after a workout, when fast-digesting carbs reign supreme for boosting insulin and replenishing muscle glycogen stores (see Law 8). Keep carbs to less than 2g per pound of bodyweight per day.
But if you're trying to get ripped, you must minimize your consumption of fat. Protein, on the other hand, not only adds to your muscle—key in boosting the metabolism—but actually increases your metabolism more directly. The body burns more calories processing protein than it burns to process carbs or fat, known as the thermic effect of food. That's the main reason diets that include a lot of protein result in greater fat loss than low-protein diets, even when both diets contain the same amount of calories.
3. Caffeine: Coffee is good for more than just a jolt in the morning. A study in the International Journal of Sport Nutrition and Exercise Metabolism found that consuming caffeine an hour before you hit the gym can help you burn about 15 percent more calories than normal. What’s more, other research has found that sipping on the stimulant before the gym can help you eat fewer calories afterward.
All of those things are great for weight loss, but they have a higher barrier to entry compared to running. You need a pool, a bike, and a six-figure salary, respectively. But if you can afford a pair of sneakers (like these running shoes for less than $100) then you can run. You can run in hot weather. You can run in cold weather. You can run in the snow. You can run in the rain. You can run with a friend. You can run by yourself. You can even run every single day if you’re smart about recovery.
Say cheese! Adding some extra calcium to your diet could be the key to getting that flat stomach you’ve been dreaming about. Over just 12 months, researchers at the University of Tennessee, Knoxville found that obese female study subjects who upped their calcium intake shed 11 pounds of body fat without other major dietary modifications. To keep your calcium choices healthy, try mixing it up between dairy sources, calcium-rich leafy greens, fatty fish, nuts, and seeds.
Have Protein at Every Meal and Snack. Adding a source of lean or low-fat protein to each meal and snack will help keep you feeling full longer so you're less likely to overeat. Try low-fat yogurt, small portion of nuts, peanut butter, eggs, beans, or lean meats. Experts also recommend eating small, frequent meals and snacks (every 3-4 hours), to keep your blood sugar levels steady and to avoid overindulging.
You might have heard the term ‘middle-age spread’. This means, as women progress towards their middle years, the ratio of body fat increases compared to the body weight. During menopause, when the levels of estrogen go down, and the amount of androgens or male hormones increase, then there is an increased risk of fat accumulation in the waist. Hormones actually regulate the fat concentration in the body, and your figure depends entirely on it!
Figuratively, this time: Stress is a diet saboteur and it adds belly fat. University of Florida Health researchers have discovered that chronic stress stimulates the production of a protein called betatrophin, which interferes in normal fat metabolism. Meditate, get a massage, take a vacation—just find a way to ditch the stress and those pounds will melt away like your troubles. Here are 37 ways to ease stress today.
Life changing and life saving. Bill and I both have more energy and sleep much better. We have a 10 1/2 year old son and we "older" parents, both mid - 40s. We started this challenge with the goal of feeling better and trying to keep up with him. The weight loss and the loss of inches (and in some places gained inches (yea!) are just a bonus. We are now planning our meals and spending our leg day working out together as a family and encouraging each other! The past 6 six weeks have been a challenge, but we did it! We are ready for Round 2!!
Do this: Most guys who are fairly active and exercise regularly burn about 18 calories per pound of bodyweight or more per day. On that basis, a 200-pounder would consume 3,600 calories daily. To start dropping body fat, reduce your calories to between 14-16 per pound of bodyweight per day on workout days, or 2,800-3,200 calories daily. On nonworkout days, drop to about 12 calories per pound per day (2,400 calories for the guy who's 200lbs).
I built this protocol for people who simply won’t take my advice to be patient and eat the Bulletproof Diet while using Bulletproof Intermittent Fasting. It uses biohacking techniques I pioneered on myself to reduce – but not eliminate – the risks of rapid fat loss. It prevents the metabolic harm and brain fog that come with very low-calorie diets (or multiple day fasts), and it does everything I can think of to maintain health in the face of additional toxins. This is also not intended for people who are already fairly lean (10-14% body fat). It is designed for obese and severely overweight people who want to lose fat as fast as possible.
Where do I begin... this is the first time I have completed a program thinking I WANT to do this again. Because it actually worked. Through life, and emergencies, and vacations... it still worked. Unlike so many programs that make you use silly containers and a complicated meal plan with expensive shakes and promises of change in 21 days (that actually left me feeling depleted and hangry) I felt a difference in this program the first week with just an adjustment and understand of IF. Coupled with carb cycling and specific workout routines, I found that I was not looking forward to the END of this program like so many that I've tried. I have no intention of stopping IF. My digestive system is finally working! TMI? Sorry ;) I have celiac and hypothyroidism (so low I've been tested for hoshimotos) but my energy levels are relatively high, leading to more even temperament and better sleep. I'm tempted to get my thyroid levels tested again just to see how drastically things have improved! I love so much about what this program has done for my body internally, I forget to notice what it's done externally. Which is over 7" and 8 lbs lost, down a pant size, and strength and stamina I didn't have before! What has made me a probable lifer of the faster way and forever fan of Amanda's, is that this works with life. We have had birthdays, holidays, vacations and unforeseen medical issues arise and I didnt worry about not being on track. Normally things like this, especially emergencies and medical problems would rock me off my workout program, but I never felt like that with the Faster Way. My toddler had a huge accident on a bike which did occupy a lot of my time for a couple weeks while he healed, and I wasn't able to get a few workouts in for a couple weeks, but it didn't make me quit the program. I kept up with the diet recommendations and when my life allowed, I jumped back into the physical activity. Considering I wasn't able to commit 110% with what life threw at me the last few weeks, I'm still SO happy with my results and I know it's because of our new eating lifestyle. This is the first time I've ever been able to get my husband on board to do a workout program with me. While he seemed to be a little dramatic about food tracking, since he could see what his normal grabs would contain, he rocks at making great meal plans for us now. He is the first one now to rant and rave about our fasting lifestyle because he feels GREAT and while we are healthy eaters (organic and whole foods 99% of the time), he doesn't feel limited or restricted if an occasion arises where he wants to indulge. And he was the first one to say "We need to do this again". If we were to do this program during a slower season of life, I know our physical results would be amazing. But considering our life has been chaos (cross country move, starting a new business, homeschooling, traveling, dental emergencies, sickness, sleep deprivation etc,) and we still had great success, I'm happy to do this during any season of life. Thank you so much for the education and support around intermittent fasting and the benefits of getting our bodies on a schedule. While the program itself has ended, we are still going. Much love xo
It's hard to see where I started, but I ultimately decided to share these, hoping I could be someone else's inspiration! My life has always been full of activity, I grew up very athletic & loved moving my body. As the years caught up, the back pain set in & finally ended up having back surgery. I've spent the last 2 years being "careful" with my back, but not with my body. I made these last 7 weeks about loving my body & building up to make these changes. This program has drastically changed me. With this program, I've lost 20lb & 15 inches over all, but in a healthy way. I ate big, clean meals & learned to love the process! Everything was perfectly laid out & explained! I honestly attribute the majority of my success to my amazing fb group, keeping me accountable! Can't wait for another round!
Eating sugary foods might be satisfying in the moment, but they can increase your cravings for more sugary foods in the future — and that only leads to trouble. "Many foods high in added sugar are also higher in calories and fill you up less than lower-calorie, still-sweet alternatives like fruit," says Amy Gorin, MS, RDN, owner of Amy Gorin Nutrition in Jersey City, NJ. But there are still ways to satisfy your sweet tooth without ODing on sugar. "When you're baking, cut out some of the sugar in recipes by adding in vanilla extract or cinnamon, blend unsweetened cocoa powder into a smoothie instead of honey, top your French toast with unsweetened frozen fruit instead of syrup, and nosh on a slab of watermelon instead of cookies."
Protein serves a dual role in helping you trim down belly fat by increasing muscle mass and metabolism, while also helping stave off hunger. Research shows that a higher-protein diet increases thermogenesis, which means you burn more calories. Further, eating protein leads to an increased feeling of satisfaction after the meal, often causing you to eat fewer calories later in the day. These High-Protein Breakfast Tacos are the perfect way to start your morning and will keep you feeling full until lunch.
Thanks to the hormone estrogen, the female body likes to hold on to fat, too. A study in Obesity Reviews shows that women store fat more efficiently than men in an effort to prepare the body for pregnancy. But while it seems like women may have drawn the short-end of the stick, the stereotypical pear-shape is actually considered healthier than boasting a beer gut, because belly fat is a red flag when it comes to your health. “Visceral fat is associated with increased risk of diabetes, high blood pressure and metabolic syndrome,” says Harris-Pincus.
I have recently gone through a couple of years of health struggles. Ranging from two broken feet at once to ovary/uterus issues that landed me in the hospital several times and ultimately resulted in a major surgery. Those times lead to some difficulties and struggles since I was ordered to be in a bed for long periods of time. I found myself struggling with depression. Something I had never experienced before and if I'm honest, was completely devastating. It was hard to see the light at the end of the tunnel after struggling for so long. Those were some dark times. I tried many things to pull myself out of fog I was in without little to no success.
In the past six weeks, I have lost 7.2 pounds and now weigh LESS than I weighed when I got pregnant with my first child. More importantly, I have lost 7 ½ inches from my chest, stomach, and legs, and I have gained MUSCLE tone! My clothes are fitting so much better and I have much more energy and confidence. I am so thankful for the chance to learn from Amanda and Casey and the other coaches and participants in this program. I am not yet where I want to be, but I now know how to get there!!!!!!!
You may be confused about exactly how hard to work during cardio. You may even think that high-intensity exercise is the only way to go. After all, you can burn more calories and, even better, you don't have to spend as much time doing it. But having some variety can help you stimulate all of your different energy systems, protect you from overuse injuries, and help you enjoy your workouts more. You can use a sample cardio workout schedule to set up a cardio program that includes a variety of different workouts at different intensities.
Phytochemicals are biologically active compounds that are found in fruits and vegetables. They give fruits and veggies their disease fighting power. In fact, many phytochemicals are currently in clinical testing as a cure for many different diseases. Once again I know you are thinking,”what effect does this have on fat loss?”. A sickly body will not be willing to give up any of its fat reserves so health should always be a concern.
A healthy GI tract is teeming with beneficial bacteria, and scientists are uncovering just how important those microbes are for keeping your weight under control. They’ve discovered that the strains of bacteria in the guts of thin people differ from those in obese folks, and there’s evidence that certain types of probiotics may help aid weight loss by assisting with the regulation of appetite, fat storage, and other related metabolic functions. You can get probiotics from live culture yogurt and certain supplements. While popping a pill or eating yogurt won’t magically shrink your waist, warns Ginger Hultin, RD, gut health is important. Read more about the weight loss benefits of probiotics.
It's easy to overdo it when you're eating something delicious — and that's why it's good to focus on foods that will force you to slow down. "Slowing down can help you check in with your hunger levels. For that reason, I love snacking on 100-calorie packs of in-shell pistachios," Gorin says. "Shelling the pistachios helps you slow down your snacking, and the shells leave a visual cue to remind you of how much you've eaten. Because you're more in tune with what's gone into your mouth, you may be less likely to have extra servings." In one preliminary study, people snacking on in-shell pistachios ate 41% less calories than those who ate the shelled version.
Intermittent fasting—limiting your eating hours to just eight, say between 10:30 and 6:30—has gained popularity as a way to shake up your metabolism, and it just might work. “There is a lot more research that needs to be done but it does seem to benefit some people, particularly men,” says Angel Planells, RD, a spokesperson for the Academy of Nutrition and Dietetics based in Seattle. Another approach is to fast—or eat next to no calories (500-600 calories total)—two non-consecutive days a week. (You can eat normally the other five days.) The tactic seems to increase fat burning. “When your body isn’t getting fuel, it will start burning fat,” Planells says. Read about this woman’s experience with intermittent fasting.
Skip Breakfast – Restricting your eating window to a shorter time frame by skipping breakfast will mean you can eat larger meals which in turn will help keep you full, both mentally, and physically. While people freak out at the idea of skipping breakfast, it isn’t the most important meal of the day, and it won’t ruin your metabolism. Instead of eating 4-5 small meals at 200 calories, eating 3 large meals at 500 calories will result in better satiety.
A 2012 study also showed that people on a low-carb diet burned 300 more calories a day – while resting! According to one of the Harvard professors behind the study this advantage “would equal the number of calories typically burned in an hour of moderate-intensity physical activity”. Imagine that: an entire bonus hour of exercise every day, without actually exercising. A later, even larger and more carefully conducted study confirmed the effect, with different groups of people on low-carb diets burning an average of between 200 and almost 500 extra calories per day.
Following two successful spinal surgeries in the last twelve months I have struggled with not only residual back pain but pain throughout my body. I was not sleeping through the night partially due to pain. Pain dictated nearly every choice I made every day. Although I was successfully managing my weight according to 'the charts', I had no energy, no vitality, no strength, and no vigor. I needed help. I am so thankful to have stumbled onto FASTerWayToFatLoss because everything has changed in 7 determined and disciplined weeks. This program has educated me on nutritional choices. I now use the right foods to fuel my body at the right times. Within five days of changing what I eat I was running sprints. I am now lifting weights, running, sleeping through the night. I am no longer a slave to pain as most of it is GONE. What remains I am successfully managing.
Low-calorie diets: It is harmful to reduce your daily calorie intake lower than 1400 calories per day, because your body adjusts to a semi-starvation state and looks for alternative sources of energy. In addition to burning fat, your body will eventually burn muscle tissue. Because your heart is a muscle, prolonged starvation will weaken it and interfere with its normal rhythms. Low-calorie diets don't meet the body's nutrition needs, and without nutrients your body cannot function normally.
After having 3 kids (6,4,2) I have been unable to effectively lose the belly fat, hip fat, and leg fat that I gained throughout those pregnancies. I had resigned myself to never being able to look at my legs from the back in the mirror again - it disgusted me so much. But now - I can happily look at my backside in the mirror! I never thought it possible! I had success with weight loss doing the Whole 30 and that really helped me to eat much better and determine some intolerances, but never have I seen the drastic fat loss changes in my body in such a short amount of time. I have dropped 2 sizes in pants - the shorts I bought at the beginning of the summer look like clown clothes on me and I will have to give them away.
Whether you sit or stand at work may play as big a role in your waistline as your fitness routine. Missouri University researchers discovered that inactivity (4 hours or more) causes a near shut- down of an enzyme that controls fat and cholesterol metabolism. To keep this enzyme active and increase your fat-burning, break up long periods of downtime by standing up—for example, while talking on the phone.
Always be sure to get enough protein and healthy fats to start your day. Your energy after a breakfast of 2/3 eggs, 1/3 – 1/2 an avocado and 1 piece of fruit or Breakfast Tacos will be significantly higher and sustain you longer than a carb-heavy bowl of cereal. Think about it this way – if you want to lessen the “carb-chase-cravings” and energy drops that often hit in the later mid-morning and/or late afternoon, the key is to increase your protein and healthy fats earlier in the day. Avocados and blueberries are great breakfast additions because they are nutrient rich superfoods that can easily be added to your daily diet.
Find ways to reduce your stress. People under excess stress tend to make less healthy food choices, and they may also burn fat more slowly. Excessive stress is bad for your skin, it's bad for your sleep, it's bad for relationships — it's just bad overall. So find a healthy way to get rid of it! You’ll feel better no matter how much it helps you in losing body fat.
"Feeling stressed can wreak havoc on our bodies. It can cause our body to produce the steroid hormone cortisol, which can make you crave sugary foods that provide instant energy and pleasure. Short-term bursts of cortisol are necessary to help us cope with immediate danger, but our body will also release this hormone if we’re feeling stressed or anxious. When our cortisol levels are high for a long amount of time, it can increase the amount of fat you hold in your belly."
Whole-grain rye crackers, sometimes called crispbreads, offer a low-fat, fiber-packed alternative to traditional crackers. Research suggests people who replace refined grains with whole grains tend to have less belly fat. Whole grains also provide a richer assortment of plant nutrients. This doesn't just apply to crackers. You can get the same benefits by switching to whole-grain breads, cereals, and pastas.
Do this: Eat 6-8 small meals per day, spaced 2-3 hours apart. Don't go longer than three hours without eating—your body will go into starvation mode, which can cause you to store body fat and make it more likely that you'll overeat at your next meal. Speaking of overeating, just because you're consuming more meals doesn't mean you should take in more total calories. Determine your ideal daily caloric intake for fat-burning (see Rule 1) and divide that more or less evenly between your 6-8 meals.
One area of confusion of regarding nighttime eating involves the consumption of carbs. Many people are under the assumption that eating carbs at night will cause them to be stored as fat since they will not be used. This is simply not true. Carbohydrates are obviously not necessary before bed from a performance standpoint but their consumption late at night will not translate into fat gain.
At weigh-in this morning, I had to check twice... I lost 19.4lbs, and 18.5 inches. I gained confidence and a clear mind. I am so motivated to keep going with this completely sustainable lifestyle, I seriously feel better than I ever have in my adult life. Thank you Amanda for this program. Thank you for introducing me to the women in our group, and to this way of life.
Of course, it's not always easy to find—or afford—organic produce. But in general, conventionally grown items that you peel—avocado, grapefruit, bananas—are fine. But choose organic when buying celery, peaches, strawberries, apples, blueberries, nectarines, sweet bell peppers, spinach, kale and collard greens, cherries, potatoes, and imported grapes; they tend to have the highest levels of pesticides.
Here's something else most people probably don't know: Fidgeting is good for you. It's considered a nonexercise physical activity, and it's an important way to burn energy. You get more health benefits if, in addition to exercising, you are a more fidgety, more active person the rest of the day. This means gesturing while you're talking, tapping your foot, just moving around.
A slow, low-intensity run uses more fat for fuel but takes longer to burn a lot of calories in total. That’s why it’s advised to run longer than 30 minutes when running at a low-intensity. However, a faster, high-intensity run can burn more calories in a shorter time period. And even if just a small percentage of those calories come from fat, it can still significantly boost your weight loss!
While the Duke study found no added benefit to resistance training (aka weight or strength training) when it comes to belly fat, a 2014 study from a Harvard University team found otherwise. Twenty minutes of weights a day was linked to less of an increase in belly fat (particularly for older men). “Engaging in resistance training or, ideally, combining it with aerobic exercise could help older adults lessen abdominal fat while increasing or preserving muscle mass," said the paper’s lead author Rania Mekary.
Weight gain has been associated with excessive consumption of fats, (added) sugars, refined carbohydrates in general, and alcohol consumption. Depression, stress or boredom may also contribute to weight increase, and in these cases, individuals are advised to seek medical help. A 2010 study found that dieters who got a full night's sleep lost more than twice as much fat as sleep-deprived dieters.
There’s a special diet called fasting and it’s an amazing way to burn fat. Fasting also lowers the insulin levels more than other dietary methods do. Fasting causes the body to release glucagon to draw energy from your cells, including your fat cells. Rather than having a few 400 calorie meals in a day, it is better to have one 1,600 calorie meal at the end of the day.
Usually work out for 30 minutes? Exercise for a third of that—but go hard! "An intense 10 minutes jump-starts your metabolic furnace and equals about 20 or 30 minutes at a moderate intensity," says Jordan Metzl, MD, author of Dr. Jordan Metzl’s Workout Prescription. If you can’t spare the full 10 minutes, you can sweat for even less time: According to a 2013 study from Colorado State University, exercising for just 2 ½ minutes at a high intensity (think running or biking sprints) can help you burn 200 more calories over the rest of the day.
Historically, fat storage worked well for humans. The energy was stored as small packages of molecules called fatty acids, which are released into the bloodstream for use as fuel by muscles and other organs when there was no food available, or when a predator was chasing us. Fat storage actually conferred a survival advantage in these situations. Those with a tendency to store fat were able to survive longer periods without food and had extra energy for hostile environments.
Not in an extreme, Atkins sort of way, but having a little protein at every meal fires up your metabolism. "Your digestive system uses more energy to break it down, so you burn more calories," explains Lisa Dorfman, R.D. However, keep protein levels to between 20 and 35 percent of your diet; eating too much of it can cause kidney strain and may cause your body to store too much fat.
While it may not be earth-shattering, there’s evidence to back up the advice that registered dietitians have been giving for decades. For many years, R.D.s have been urging weight-loss clients to eat dinner earlier and stop snacking a few hours before bed. It seemed like a no-brainer—after all, when was the last time a late-night binge consisted of a salad and carrot sticks?—but researchers from Brigham Young University decided to put the theory to the test.
Even though you are eating well and exercising, you may reach a plateau where your weight stays the same. Plateaus are mainly due to decreased resting energy expenditure (REE). When you consume fewer calories, your REE decreases, thus your body's need for energy decreases. Keep exercising and eating well to help you get through periods with no weight loss. Sometimes a plateau is the body's way of saying that you may not need to lose more weight. If you are meant to lose more weight, eventually weight loss will come as your body's metabolism catches up with your new lifestyle.
Changes are hard, but they’re easier if you have some tools at your side to help you. And hey, if you mess up one day, it’s not over. Pick up the next day where you left off. If you fall off for three weeks, it’s still not over. Again, pick up right where you left off. Be kind to yourself and practice forgiveness. Instead of harping on what you haven’t done, look at what you have accomplished.
While that can certainly be a worthwhile endeavor, what they usually really mean to say is, “I want to lose fat.” Though most people use the terms weight loss and fat loss interchangeably, they are not in fact the same, and require different methods to achieve each goal. Here, we explain why fat loss — not weight loss — should be your primary focus, and why the typical methods used for weight loss may not always work for fat loss efforts.
Unfortunately, we can't target fat loss from any one place on our body. Instead, our bodies will use up fat from all over once we start losing weight--you could lose fat from your belly, hips, thighs, or arms before it starts to have an impact on fat around your face. Stay at a healthy overall weight and your face will suit you perfectly. And one perk to having fat on your face? Wrinkles will be much less pronounced.
However, due to the intense exercise, the total calorie consumption is higher. We burn more calories due to the hard muscle work – even AFTER the run. The body needs more energy for recovery, thereby burning even more calories. That’s how you benefit from post-workout fat burning and the afterburn effect (EPOC, excess post-exercise oxygen consumption).
Boundary bullies are the people, places, and activities that pop out of nowhere and suck the time and energy out of your day. Figure out where they are, who they are, where they’re "hiding" and what it is that makes you the victim of said "bullying." Is it happy hour at the local bar where the buffalo wings become dinner? (Pack a snack before you go.) Is it a colleague who always gets coffee at the same time as you and talks you into donuts? (Make this mid-morning run a part of your breakfast by eating half of your breakfast sandwich before the break, and the other half during coffee.) Is it friends who order items "for the table" when you’re at a restaurant, only to leave you grazing on a bucket of fried dumplings you didn’t even want in the first place? (Tell Jane, "No thanks, I’m having the shrimp and broccoli instead.")
Most people are familiar with calories but few know exactly what they are. Calories are units of measure assigned to foods to show how much energy it contains. Your body expends a certain number of calories as energy everyday. If you consume more calories than you expend, the excess will be stored as body fat. If you consume less than you expend everyday your body will have to use stored body fat to meet energy needs.
I have taken control of my body through educated food choices and a fitness program that has changed my body. In seven weeks I have dropped two clothing sizes. I am especially pleased with the loss of fat from my belly and my back. My arms and shoulders are becoming sculpted. While I have lost 10" throughout my body measurements I have gained control of my health. While these quick results have been very rewarding and satisfying what I have learned over these few weeks is invaluable and I will be implementing the principles for the long haul.
Most people will be able to quickly lose a few pounds when they start a cardiovascular program. Usually, this "program" is a long, drawn out battle with the treadmill or my most-hated machine, the elliptical. The initial drop in body fat is due to the new stimuli, but that trend quickly begins to taper off until eventually the individual is able to go longer and longer distances without any change in body composition. As you get "better" at doing cardio, your body makes specific adaptations to the stress being placed on it in order to become more efficient. Your body will increase your ability to transport and use oxygen, create more capillaries to deliver blood and oxygen to the needed muscles, and will strengthen the bones and muscles being used.
“Poor sleep quality or quantity can make it difficult to lose or even maintain your weight,” says Darria Long Gillespie, MD, a clinical assistant professor of emergency medicine at The University of Tennessee. When you are sleep deprived, your body becomes less sensitive to the effects of leptin, the hormone that usually signals that you’ve had enough to eat. At the same time, the amount of the hunger hormone, ghrelin, increases, so you want to eat more. Together, it’s a recipe for overeating.