Why Does My Stomach Make Noises When I Am Hungry

Almost everyone has heard it at the worst possible moment. You are sitting in a quiet classroom, in a meeting, or on a bus, and your stomach lets out a long, loud rumble. Nobody else has said a word, and suddenly every head seems to turn toward you. It feels embarrassing, but it is also one of the most ordinary sounds the human body makes. A growling stomach does not mean you are starving, and it does not mean something is broken. In most cases it simply means your digestive system is doing its normal job, and the sound is easier to hear because your stomach is empty.

The medical word for this sound is borborygmus, which is a difficult word for a simple thing. It describes the noise made when gas and liquid move through the intestines. Your gut is never completely still. All day long, the muscles in its walls squeeze in waves, pushing food, drink, air and digestive juices along. Doctors call this movement peristalsis. When your stomach is full, food muffles the sound, much like a pillow muffles a voice. When your stomach is empty, there is nothing to muffle it, so the same movement sounds much louder. That is why the rumble seems strongest when you are hungry, even though the movement itself is happening all the time.

Hunger also changes the way your stomach behaves. When you have not eaten for several hours, your brain sends signals that prepare your body for food. The stomach may squeeze more strongly, and it may produce more digestive juice, even though there is no food to digest yet. Air that you swallowed while talking, eating quickly, or drinking through a straw gets mixed in with that juice, and the result is a gurgle, a growl, or a long rumbling note. It is the sound of an empty, active stomach waiting for its next meal. Most people notice it in the late morning, before lunch, or in the evening, when dinner is still an hour away.

What Is Actually Making the Sound

To understand the noise, it helps to picture what is inside your gut. Your stomach and intestines are long, hollow tubes, and they are never completely empty of air and fluid. Even between meals, your stomach contains a small amount of digestive juice, and your intestines contain gas made by the normal bacteria that live there. Those bacteria are part of a healthy gut, and they produce gas as they break down the remains of food. The gas itself is normal. It only becomes noisy when it is pushed along by the squeezing waves of the gut wall.

Think of a half-empty water bottle. If you shake a full bottle, you hear almost nothing, because the water has nowhere to move. If you shake a bottle that is only a quarter full, you hear a loud sloshing sound, because the water and air have room to move around. Your stomach works in a similar way. After a meal, food fills the space and quiets the movement. Hours later, when most of the food has moved on, the space is mostly air and fluid, and every squeeze makes a sound. The sound can be short and sharp, or it can roll on for several seconds, depending on how much air and fluid is moving and how strongly the muscles are squeezing.

The sound also travels. A rumble that starts in the stomach can be heard lower down, because the same waves continue through the small intestine. That is why the noise sometimes seems to come from deep in your belly rather than from the stomach itself. It is not one organ making a single sound. It is a whole system of tubes, all moving in turn, and the sound changes as the gas and fluid pass from one part to another. Some people hear a high gurgle, others hear a low growl, and both are versions of the same normal process.

Why Hunger Makes the Noise Louder

Hunger does more than make the sound easier to hear. It also changes the rhythm of the gut. Between meals, the digestive system runs a cleaning cycle. Every hour and a half or so, a stronger wave of squeezing sweeps through the stomach and small intestine, clearing away leftover food particles, bacteria and digestive juices. Scientists call this the migrating motor complex, but you can think of it as a housekeeping sweep. It keeps the gut clean between meals, and it is strongest when the stomach is empty. That sweep is often what produces the loudest growls, which is why the noise can come in bursts even when you are not thinking about food.

Your brain plays a part too. The sight or smell of food can trigger the stomach to squeeze and produce juice, even before you take a bite. This is sometimes called the cephalic phase, which means the phase that starts in the head. You walk past a bakery, you smell fresh bread, and your stomach growls. You are not imagining it. Your brain has told your stomach that food may be coming, and your stomach has started to prepare. The same thing can happen when you look at a menu, or when someone in the next room starts cooking. The stomach is preparing, and the sound is the side effect of that preparation.

Time of day matters as well. Many people notice more growling in the morning, because they have not eaten since the night before, and their stomach has had a long empty stretch. Others notice it in the afternoon, when lunch was small or early, and the gap before dinner is long. Stress can make it worse too, because stress changes how fast the gut moves and how much air a person swallows. A nervous person may swallow more air without noticing, and that extra air makes the next rumble louder. None of this means the gut is damaged. It means the gut is sensitive to timing, to the brain, and to the state of the body.

Air, Food and Drink: The Quiet Ingredients of a Growl

Air is one of the biggest ingredients in a stomach rumble, and most of it comes from ordinary daily habits. Every time you swallow, you swallow a small amount of air along with your food or saliva. Eating quickly, talking while you eat, chewing gum, drinking through a straw, and drinking fizzy drinks all add extra air. That air has to go somewhere, and while some of it leaves as a burp, some of it travels down into the intestines, where it joins the gas already there. The more air in the gut, the more material there is to make a sound when the muscles squeeze.

The kind of food you ate at your last meal also affects how much gas your gut produces. Foods that are high in fibre, such as beans, lentils, cabbage, onions and whole grains, are healthy, but the bacteria in the gut produce more gas as they break them down. That is a normal sign that the bacteria are doing their work. Sweet foods and drinks can have a similar effect, because some of their sugars are not fully absorbed in the small intestine, and the bacteria further along break them down and release gas. This does not mean those foods are bad for you. It means the gut is a living system, and gas is one of its normal by-products.

Water plays a quieter role. Drinking enough water helps food move smoothly through the gut, and it helps the digestive juices do their work. When you are short of water, the contents of the gut can move more slowly, and gas can build up in one place, making the next squeeze louder. On the other hand, drinking a large amount of water very quickly on an empty stomach can also make a sloshing sound, because you have just added a lot of fluid to an empty space. The balance is simple and practical: drink water steadily through the day, rather than in large gulps, and eat at a calm pace. Neither habit will silence the gut completely, and it should not, because a silent gut would mean a gut that is not moving at all.

When Growling Happens After Eating

It surprises many people to learn that a stomach can growl after a meal as well as before one. A meal does not stop the gut from moving. In fact, eating starts a fresh wave of movement, because the stomach has to mix the new food with digestive juice and push it onward in small amounts. If the meal contained a lot of air, or if it was eaten very quickly, the first hour after eating can be quite noisy. This is especially true after a large meal, when the stomach is working hard and the intestines are receiving a steady flow of partly digested food, gas and fluid.

Certain meals are noisier than others. A meal that is high in fibre, a meal with a lot of beans or raw vegetables, or a meal followed by a fizzy drink will usually produce more sound, because all of those things add gas or give the gut bacteria more to work on. A meal eaten in a rush, while standing or while talking, will also be noisier, because more air was swallowed with it. None of this is a sign that the meal was wrong. It is a sign that the gut is busy, and busy guts are noisy guts. The sound usually settles as the meal moves further along and the gas is passed or absorbed.

There is also a difference between a growl and the feeling of fullness. Some people hear a rumble after eating and worry that they are still hungry, when in fact they are full and their gut is simply working through the meal. The rumble is not a hunger signal on its own. Hunger is a mix of an empty feeling, a drop in energy, a thought about food, and sometimes a growl. After a meal, the growl on its own usually means movement, not hunger. Learning to tell those two apart can save a person from eating a second meal they do not need, simply because their stomach made a noise.

Why Some People Hear It More Than Others

Not everyone hears their stomach equally, and that difference is normal. A person with a slim build may hear the sound more clearly, because there is less tissue between the gut and the outside world to muffle it. A person who is lying down may hear it more clearly too, because the body is quiet and the ears are closer to the belly. In a silent room, any sound seems louder, and a stomach growl is no exception. In a busy street, the same growl would pass unnoticed. The gut has not changed. The setting has.

Age and daily routine also play a part. Children often have louder stomachs, because their meals are smaller, their gaps between meals can be longer, and they swallow more air when they eat quickly or talk excitedly at the table. Older people may notice more growling because their gut moves a little more slowly, so gas can gather in one place before it moves on. People who skip meals, or who eat at very irregular times, tend to hear more growling, because their stomach spends more time empty and their cleaning sweeps have more room to work. People who eat small, regular meals usually hear less, simply because the stomach is rarely left empty for long.

Habit matters as well. A person who often eats on the move, who drinks a lot of fizzy drinks, or who chews gum all day will swallow more air than a person who eats slowly at a table. A person who is often anxious may swallow more air too, because anxiety changes breathing and swallowing patterns. This is not a flaw in the person. It is a reminder that the gut listens to the whole day: how fast you eat, how much you drink, how regular your meals are, and how calm you feel. Changing one of those habits often changes the sound, even if the gut itself stays exactly the same.

How Meals, Water and Movement Fit Together

Regular meals are the simplest way to understand stomach noise, because they change the amount of time the stomach spends empty. A stomach that receives food every three to four hours during the day has less empty time, and therefore less time for loud cleaning sweeps. That does not mean a person should eat all day long. It means that a steady pattern, with breakfast, lunch, dinner and perhaps a small snack in between, gives the gut a predictable rhythm. A person who skips breakfast and then waits until late afternoon for a large meal will usually hear far more growling, because the stomach has been empty for most of the day.

What you eat matters less than how you eat it, but both count. Chewing food well breaks it into smaller pieces, which the stomach can mix more easily, and it slows the meal down, which means less air is swallowed. Eating while sitting down, without rushing, helps in the same way. A small snack between meals, such as a piece of fruit, a small pot of yoghurt, or a handful of nuts, can quiet a growling stomach for a while, because it gives the stomach something to work on. The snack does not need to be large. A little food is enough to muffle the sound, because the stomach is no longer empty.

Movement also helps, but not in the way people sometimes think. A short walk after a meal helps gas move through the gut in a steady way, rather than building up in one place. Sitting still for hours after eating, especially while hunched over a desk, can let gas gather and make the next squeeze louder. Light movement, such as walking, stretching, or simply standing up and moving around the room, supports the normal rhythm of the gut. Heavy exercise straight after a large meal is different, and most people find it uncomfortable, so a gentle walk is the practical middle ground. Water fits here too: sipping water through the day keeps the contents of the gut moving smoothly, and it is better than waiting until you are very thirsty and then drinking a large glass all at once.

Common Misunderstandings About a Growling Stomach

The most common misunderstanding is that a growling stomach means you are starving. It does not. It means your stomach is empty and active, which is a normal state between meals. A person can be perfectly well nourished and still hear their stomach growl every day. Hunger itself is a wider feeling. It includes a drop in energy, a difficulty in concentrating, and a wish to eat. A growl on its own, without those other feelings, is usually just a sound, not a warning that the body is in trouble.

Another misunderstanding is that a loud stomach means something is wrong with digestion. For most people, the opposite is true. A gut that makes sounds is a gut that is moving, and movement is healthy. A gut that made no sound at all would be a cause for far more concern, because it would mean the muscles had stopped working. The sound is only one piece of information, and it has to be read alongside everything else: how you feel, whether you have pain, whether your eating and toilet habits have changed, and whether the noise is new or has been there for years. A sound that has been part of your life for as long as you can remember, without any other change, is very different from a sound that appears suddenly alongside pain or a change in appetite.

A third misunderstanding is that certain foods must be avoided completely because they cause growling. In most cases, that is an overreaction. Beans, lentils, cabbage, onions and whole grains are healthy foods, and they cause more gas because the gut bacteria are breaking down their fibre. Removing them completely would remove a lot of good nutrition for very little benefit. A more practical approach is to eat them in reasonable amounts, chew well, eat slowly, and notice whether a very large portion causes more trouble than a normal one. If one particular food always seems to cause a lot of discomfort, that is worth noticing, but a little extra sound after a healthy meal is not a reason to stop eating healthy food.

There is one more misunderstanding worth naming, and it is about embarrassment. Many people feel ashamed when their stomach growls in public, as if it were a sign of poor manners or a lack of control. It is neither. It is a body sound, like a sneeze or a yawn, and it happens to everyone, including people who seem calm and confident. Trying to hold it in, or tensing up when it happens, usually makes the next sound louder, because tension changes how the gut moves and how much air is swallowed. The calmer response is to accept it, eat something if you are due a meal, and move on. Most people around you have heard their own stomach do the same thing, and they forget about it within seconds.

What to Notice Across a Week

One day of stomach noise tells you very little, because a single day can be unusual in many ways. You may have skipped breakfast, eaten lunch late, drunk more fizzy drinks than usual, or spent the day in a tense meeting. Any one of those things can make the stomach louder that day, and none of them means your digestion has changed. A week tells a clearer story, because it shows the pattern underneath the noise. If the growling appears at roughly the same time each day, usually before the same meal, and it fades after you eat, that is a pattern of an empty stomach, not a pattern of illness. If it appears at random times, or only on days when you ate in a rush, that points to habit and timing rather than to the gut itself.

Keeping a short note for a week can help, and it does not need to be detailed. A few lines each evening are enough: what time you ate, whether the meal was rushed or calm, whether you drank a fizzy drink, how much water you drank, how you slept the night before, and when the growling was loudest. After a week, most people can see a link they had missed. Perhaps the loudest days were the days with the longest gap between meals. Perhaps the quietest days were the days with a mid-morning snack. Perhaps the noise was worst after a large, late dinner eaten quickly, and quiet after a smaller, earlier one. Those links are useful because they point to a change you can actually make, such as adding a small snack, or eating lunch half an hour earlier, instead of worrying about the sound itself.

A week of notes also helps a person talk to a health professional, if that step ever becomes necessary. Instead of saying that the stomach is always noisy, a person can say when it is noisy, what had happened just before, and whether anything else changed at the same time. That kind of detail makes a conversation far more useful, because it separates a normal sound from a new change. A health professional can then ask the right questions, rather than starting from a vague worry. For most people, the week of notes will end with a simple conclusion: the stomach growls when it is empty, it is quieter when meals are regular, and there is nothing more to explain. That conclusion is worth reaching, because it replaces worry with understanding, and understanding is far easier to live with than a sound you do not understand.

My Take:

If you ask me what I think about a growling stomach, my answer is simple: it is normal, it is common, and it deserves far less worry than most people give it. I have heard my own stomach rumble in quiet rooms, on buses, and in the middle of conversations, and I know how embarrassing it feels in the moment. But embarrassment is not evidence that something is wrong. It is evidence that you have a working gut in an empty stomach, and that is a state every healthy person passes through several times a day. The sound feels personal, because it comes from inside you, but it is one of the least personal things about the body. Everyone has it, and everyone has heard it from someone else.

I think the reason this topic worries people is that the sound arrives without warning, and it sounds louder to the person it belongs to than to anyone else. When your stomach growls, you hear it through your own body, close to your ears, and it feels enormous. The person sitting next to you may barely notice it, or may notice it and forget it in a moment. That gap between how it feels inside and how it looks outside is where most of the worry lives. I have learned to remind myself of that gap whenever it happens. The sound is not a public announcement. It is a private noise that happens to escape, and most people are far too busy with their own thoughts to keep it in mind.

My view is that the best response to a growling stomach is practical, not dramatic. If you are hungry and a meal is due, eat. If you are between meals and the noise is loud, a small snack will usually quiet it, because it gives the stomach something to work on. A piece of fruit, a small pot of yoghurt, or a handful of nuts is enough. You do not need a large meal, and you do not need a special food. You need a little food, eaten slowly, sitting down if you can. That is the whole method, and it works because it addresses the actual cause: an empty, active stomach. Trying to silence the stomach with willpower, or by tensing up and holding your breath, does not work, because the gut is not under your conscious control. Food is the honest answer, when food is what is missing.

I also think eating speed matters more than most people realise. I have noticed that the days when my stomach is noisiest are the days when I ate my last meal in a rush, talking while I chewed, or drinking quickly through a straw. On those days I swallowed a lot of air without thinking, and that air had to go somewhere. On calmer days, when I sat down, chewed properly, and took my time, the same gap between meals was far quieter. That tells me the sound is not only about hunger. It is also about habit. Slowing down at the table is a small change, and it is not always easy when the day is busy, but it is one of the few changes that genuinely makes a difference to how the gut sounds and feels.

Water is another small habit I would mention, because it is easy to get wrong in both directions. Drinking almost nothing all morning and then drinking a large glass in one go can make the stomach slosh and gurgle, because a lot of fluid has arrived in an empty space at once. Sipping water steadily through the day is quieter, and it helps food move smoothly through the gut. I do not think water is a cure for growling, and I would not tell anyone to drink more water simply to stop a sound. But I do think steady, calm drinking is part of the same picture as steady, calm eating: a gut that receives things gently tends to behave gently, while a gut that receives everything in a rush tends to be noisy.

There is a point about embarrassment that I want to say plainly, because I think it causes more suffering than the sound itself. A stomach growl in a quiet room feels like a social failure, but it is not. It is a body sound, like a sneeze, a cough, or a yawn, and it happens to confident people and shy people alike. I think the healthiest response is to smile if you can, eat if you are due a meal, and move on. Apologising at length, or trying to explain the sound to everyone in the room, usually draws more attention to it than the sound itself did. Most people have been on both sides of this moment. They have heard their own stomach growl, and they have heard someone else’s, and they know it means nothing about the person. That shared experience is worth remembering when it happens to you.

I also want to be honest about limits, because a general article can only go so far. A growling stomach on its own, without pain, without a change in appetite, without a change in toilet habits, and without weight loss, is usually nothing to worry about. But if the noise is new and it comes with pain that does not go away, or with a feeling of fullness after only a few bites, or with a lasting change in how often you go to the toilet, then the right step is not more reading. It is a conversation with a health professional, who can look at your whole picture. I would rather say that clearly than pretend that one article can cover every situation. General information is useful for understanding a normal sound. It is not a substitute for personal advice when something has genuinely changed.

My final view is that a growling stomach is a reminder, not a warning. It reminds you that your gut is alive and working, that it has been empty for a while, and that a meal is due. It reminds you to slow down, to drink steadily, and to eat at a calm pace. Those are small, ordinary habits, and they are the same habits that help digestion in general. I would not build a whole routine around stopping the sound, because the sound is not a problem to be solved. I would build a routine around regular meals, calm eating, and enough water, and let the sound take care of itself. Most days it will be quieter, and on the days when it is not, it will still be nothing more than a sound, passing in a few seconds, forgotten by everyone in the room.

I think there is also a lesson here about how we listen to our bodies in general. A growling stomach is one of the clearest signals the body gives, and it is easy to understand once you know what it means. It is not a vague feeling. It is a sound, at a time, after a gap, and it fades when you eat. That clarity is rare. Many body signals are harder to read: tiredness can come from sleep, from stress, from a heavy meal, or from a long day, and it is not always clear which one is responsible. A stomach growl is simpler. It says the stomach is empty and active. Learning to hear that signal, and to answer it with food at the right time, is a small skill, and it is one that serves a person well across a lifetime. It is the same skill as noticing thirst and drinking, or noticing tiredness and resting, and it deserves the same calm attention.

I also want to say something about children, because I think this is a topic where parents worry more than they need to. A child whose stomach growls at school is not necessarily hungry in a harmful way, and is not necessarily underfed. Children have small stomachs, they eat small meals, and they often eat quickly because they are excited to get back to playing. Their stomachs are therefore empty sooner, and noisier, than an adult’s. A parent who hears about a growling stomach from a child can answer it simply: pack a small snack for the mid-morning gap, such as a piece of fruit or a small sandwich, and remind the child to eat slowly. That is usually enough. Turning the sound into a source of worry, or into a reason to pack a very large lunch, is not necessary, and it can teach the child to worry about a normal sound. A calm answer teaches the child that the body makes sounds, that food answers them, and that there is nothing to fear.

There is a similar point to make about work. Many people eat lunch at their desk, in a rush, between tasks, and then wonder why their stomach is noisy in the afternoon. The answer is often in the meal itself, not in the stomach. A rushed lunch, eaten while reading messages, with little chewing and a large drink taken quickly, is a recipe for air and noise. A lunch eaten away from the desk, even for fifteen minutes, sitting down, chewing properly, and drinking calmly, is a different meal, even if the food is the same. I know that time is short in a working day, and I would not pretend that everyone can take a long lunch break. But even a short pause, away from the screen, makes a difference to how the gut behaves. The gut does not know about deadlines. It knows about pace, and it responds to a calm pace with a calm sound.

I think it is worth saying, too, that the internet has made this topic harder than it needs to be. A person who searches for stomach growling will find a long list of possible causes, some of them frightening, and most of them irrelevant to a normal, healthy person. That list can turn a simple sound into a source of anxiety, and anxiety itself can make the gut noisier, because it changes breathing, swallowing, and the speed of eating. I would rather trust a simpler test: has this sound been with you for a long time, does it come when you are hungry, does it fade when you eat, and is there nothing else that has changed? If the answer to those questions is yes, then the sound is almost certainly normal. If the answer is no, and something else has changed, then a health professional is the right person to ask. That test is not a diagnosis, but it is a sensible way to decide whether to worry or to carry on with your day.

One more thought, and it is about kindness to yourself. The body makes sounds, it makes smells, it makes noises at inconvenient times, and it does so for everyone. A person who is embarrassed by a stomach growl is often a person who expects their body to be silent and invisible, and that expectation is unfair. The body is a living system, full of movement, air, and fluid, and it will not be silent. Expecting silence is expecting something the body cannot give. A kinder expectation is that the body will make sounds, that food will answer most of them, and that other people will understand, because their bodies do the same. That is not a low standard. It is an honest one, and it is far easier to live with than a standard of perfect silence.

So here is where I land, in plain words. A growling stomach is normal. It comes from air and fluid moving through an empty gut, and it is louder when the stomach is empty because there is nothing to muffle it. Regular meals, a small snack between long gaps, slow eating, steady water, and a short walk after a meal can make it quieter. Embarrassment is understandable, but it is not a reason to worry, and most people forget the sound within seconds. If the noise is new and it comes with pain, or with a lasting change in appetite or toilet habits, then ask a health professional, because that is what they are there for. For everyone else, the answer is simple: eat when you are hungry, eat calmly, and let the stomach do its work. It has been doing it all your life, and it will keep doing it, quietly or loudly, whether you worry about it or not.

Frequently Asked Questions

What can I do in general when my stomach make noises when I am hungry happens?

In general, the most useful response is simple and calm. If a meal is due, eat at a normal pace, sitting down if you can. If you are between meals, a small snack such as a piece of fruit, a small pot of yoghurt, or a handful of nuts can quiet the sound, because it gives the stomach something to work on. Eating slowly, chewing well, and sipping water steadily through the day also help, because they reduce the amount of air you swallow. If the noise keeps getting worse, or it comes with pain or a lasting change in appetite or toilet habits, speaking with a healthcare professional is the sensible next step.

Why does my stomach make noises when I am hungry happen to me?

It happens because your gut is always moving, and the sound is easier to hear when your stomach is empty. The muscles in the gut wall squeeze in waves to push food, fluid and gas along, and when the stomach is full, food muffles that movement. When it is empty, there is nothing to muffle it, so the same movement sounds loud. Hunger also triggers stronger cleaning sweeps between meals, and the brain can start the stomach working when you see or smell food. Air swallowed while eating, talking, or drinking adds to the sound. It happens to almost everyone, and it is usually a sign that the gut is working normally.

Is my stomach make noises when I am hungry something I should worry about?

For most people, no. A growling stomach on its own, without pain, without a change in appetite, and without a change in toilet habits, is a normal body sound. It means the gut is moving and the stomach is empty, which happens several times a day. You should pay closer attention if the noise is new and it comes with pain that does not go away, a feeling of fullness after only a few bites, a lasting change in toilet habits, or weight loss without trying. In those cases, the right step is a conversation with a health professional, who can look at your whole situation rather than one sound on its own.

How long does my stomach make noises when I am hungry usually last?

A single growl usually lasts only a few seconds, although it can come back in bursts over the minutes before a meal. The pattern often lasts until you eat, because the stomach stays empty and active until food arrives. After eating, the sound usually settles within an hour or so, as the meal fills the stomach and muffles the movement, although a noisy meal eaten quickly can still cause some gurgling while the gut works through it. If the noise continues for hours after eating, or it is paired with pain or discomfort that does not fade, that is worth noticing and, if it keeps happening, worth discussing with a health professional.

Can small daily habits really help with my stomach make noises when I am hungry?

Yes, small habits can make a real difference, because they change how much time the stomach spends empty and how much air it contains. Eating meals at regular times, with a small snack between longer gaps, gives the stomach less empty time. Eating slowly, chewing well, and sitting down for meals reduces swallowed air. Sipping water steadily through the day, rather than drinking large amounts all at once, helps food move smoothly. A short walk after a meal can also help gas move through the gut in a steady way. None of these habits will silence the gut completely, and they should not, because a moving gut is a healthy gut, but they can make the sound quieter and less frequent.

Can my stomach make noises when I am hungry be linked to sleep or tiredness?

Yes, in an indirect way. A poor night of sleep can change appetite, meal timing, and how carefully a person eats the next day, and all of those things affect stomach noise. A tired person is more likely to skip a meal, eat in a rush, or drink a lot of fizzy drinks, and each of those habits adds air or leaves the stomach empty for longer. Stress and tiredness can also change how fast the gut moves and how much air a person swallows without noticing. A regular sleep pattern and regular meals tend to go together, and when both are steady, the stomach is usually quieter. If tiredness and stomach noise keep appearing together, it is worth looking at the whole day, including sleep, meals and stress, rather than the sound alone.