How to Sleep Well When It Is Noisy Outside

Noise at night is one of the most common reasons people lie awake, and it is also one of the most frustrating, because you cannot simply switch it off. A dog barks in the next street, a motorcycle passes at midnight, a neighbour plays music, a baby cries in the next room, or a tap drips somewhere in the house. You are tired, your eyes are heavy, and your body wants to sleep, yet every sound pulls you back to full wakefulness. It feels unfair, and in a way it is, because sleep should be the easiest thing in the world, and noise turns it into a struggle.

The good news is that you do not need a silent house to sleep well. Most people can learn to sleep through a fair amount of noise, and there are practical steps that make a real difference, from closing gaps around a door to changing what you do in the last hour before bed. This article explains, in plain words, why noise wakes you, which kinds of noise are hardest to sleep through, and what you can actually do about street noise and house noise, so that a noisy night does not have to mean a sleepless one.

It is worth saying at the start that this is general information, not personal advice. If noise is only one part of a bigger sleep problem, or if you regularly wake up feeling unwell, a qualified health professional is the right person to ask. But for the ordinary problem of a noisy street or a noisy house, the ideas below are a sensible place to begin.

It helps to know what success actually looks like, because many people set themselves an impossible target and then feel they have failed. Success is not eight hours of perfect silence. Success is falling asleep without lying awake for an hour listening, waking once or twice and falling back asleep without a long struggle, and getting up in the morning feeling that you have rested, even if the night was not perfect. A street will still have cars, a house will still have people moving around, and a dog somewhere will still bark. The aim is not to erase those sounds. The aim is to make them small enough that your sleeping brain can let most of them pass, and to have a simple plan for the ones that do wake you. When you judge the night by that standard, small changes start to feel like real progress, and you stop waiting for a perfect night that may never come.

Why Noise Wakes You Up Even When You Are Tired

Your ears never really switch off. Even when you are asleep, they keep sending signals to your brain, and your brain keeps deciding, in the background, whether a sound matters or can be ignored. This is a useful thing during the day, and it is an old part of how humans stay safe, because a sudden sound once meant danger. At night, the same system works against you, because a car horn or a slamming door can wake you even when you are deeply tired and nothing is actually wrong.

The sounds that wake people most are not always the loudest ones. A steady hum, like a fridge or distant traffic, is often easier to sleep through than a sudden sharp sound, because the brain gets used to a steady sound and stops paying attention to it. What wakes you is change: a quiet street that suddenly fills with a loud engine, a silent house broken by a phone ringing, or a voice that starts and stops. That is why one motorcycle at two in the morning can do more damage to your sleep than hours of low, even traffic noise.

Tiredness does not protect you from this as much as you might hope. When you are very tired, you may fall asleep quickly, but a sharp noise can still pull you out of sleep, and once you are awake, worry often keeps you awake longer than the noise itself. You start listening for the next sound, and that listening keeps your mind alert. The more you listen, the harder it becomes to drift off again. Understanding this helps, because it shows that the problem is not only the noise outside your window. It is also the way your brain stays on guard after the noise has passed.

There is another pattern worth knowing, and it explains why the same street can feel easy one night and impossible the next. In the first hour after you fall asleep, your sleep is still light, so a sound that would not bother you at three in the morning can wake you at eleven at night. Later in the night, your sleep grows deeper for a while, and many people sleep through sounds then that would have woken them earlier. Towards morning, sleep becomes light again, and the early sounds of the day, a shop opening, a first bus, a neighbour leaving for work, can wake you before your alarm. This is why people often say the beginning and the end of the night are the hardest parts, and it is also why a plan that covers the whole night matters more than a plan that only helps you fall asleep. If you can protect the first hour, with a closed window and a steady background sound, and you can avoid checking the clock when you wake near morning, you have already improved the two weakest parts of the night.

Street Noise and House Noise Are Not the Same Problem

Street noise and house noise feel similar when you are lying awake, but they need different answers, and it helps to work out which one is really keeping you up. Street noise comes from outside: traffic, horns, dogs, music from a nearby shop, building work, or people talking late on the road. It usually comes in waves, busy at some hours and quiet at others, and it often gets worse in summer, when windows are open and more people are out late.

House noise comes from inside: a television in the next room, someone walking around, a washing machine, a snoring family member, a baby waking in the night, or pipes and taps making sounds as the house cools down. House noise is often closer to your bed, so even a small sound can feel loud, and it can be harder to ignore because you know who is making it, which adds irritation to the tiredness. A family member watching television late can keep you awake just as surely as a truck outside.

The first step is simply to notice, over a few nights, which kind of noise wakes you most. Is it the traffic outside, or is it movement inside the house? Does it happen at the same time every night, or does it change? A short note on your phone, written in the morning, can show a pattern you would otherwise miss. Once you know the main source, you can spend your effort in the right place, instead of trying to fix everything at once and fixing nothing.

How Your Brain Listens While You Sleep

Sleep is not one flat state. During the night you move through lighter sleep and deeper sleep, and you are much easier to wake during the lighter stages, especially in the first hour after you fall asleep and again towards morning. This is normal, and it explains why the same noise that you slept through at three in the morning can wake you at five, when your sleep is lighter and morning is near.

Your brain also pays more attention to sounds that mean something to you. A parent can sleep through traffic but wake at the smallest sound from a baby’s room. A person waiting for an early morning call may wake at every small noise. A sound that carries meaning, like your name, a baby crying, or a phone ringing, is far more likely to wake you than a sound with no meaning, like wind or rain. This is not a fault in your sleep. It is your brain doing its job, and knowing this can take away some of the blame people put on themselves when they wake easily.

Age and habit play a part too. Children often sleep through noise that would wake an adult, partly because their sleep is deeper, while older people often wake more easily, because their sleep is lighter and more broken. People who have slept in a quiet place for years may find a noisy new home very hard at first, and people who have always lived on a busy street may barely notice the traffic. The brain can learn to ignore a familiar sound, but that learning takes time, and it does not happen in one night.

Closing the Gaps: Doors, Windows and Curtains

Before you buy anything, look at your room itself, because sound gets in through gaps, and closing those gaps is often the cheapest and most effective step. A window that does not shut fully, a door with a gap underneath, or a thin curtain can let in far more noise than you realise. Shutting the window properly, and pulling a heavy curtain across it, can soften traffic noise in a noticeable way, especially if the curtain covers the whole window and hangs close to the wall.

A simple draught strip or a rolled towel along the bottom of the bedroom door can cut down house noise a great deal, and it costs almost nothing. If the door to the hallway rattles, a small piece of padding or a tighter fit can stop it. Thick curtains, a rug on a bare floor, and soft furnishings like cushions and a fabric headboard can also help, because hard bare surfaces bounce sound around a room, while soft surfaces soak some of it up. None of this will make a room silent, but each small change takes a little of the edge off the noise, and together they can make a real difference.

Where your bed sits in the room matters too. A bed pushed against a wall that faces a busy road will pick up more vibration and sound than a bed on the far side of the room. If you can move the bed away from the noisiest wall, even by a short distance, it is worth trying for a few nights. The same goes for your head: sleeping with your head further from the window, and closer to a quieter wall, can make the night feel calmer, even though nothing else has changed.

Shared walls deserve the same attention, especially in flats and small houses where a neighbour’s television or conversation comes straight through the wall. A bookcase filled with books, pushed against the shared wall, can soften the sound a little, because the books and the wood add weight and break up the flat surface. Hanging a thick blanket or a heavy piece of fabric on that wall for the night can help too, and it costs nothing if you already own the blanket. Gaps around pipes, where a pipe passes through a wall or a floor, are another quiet way sound travels, and a little filler or a rolled cloth around the pipe can close them. None of these steps will silence a neighbour completely, but each one takes a little of the sharpness away, and when the sound arrives softer, your brain is more likely to let it pass without waking you.

Earplugs, Headphones and Other Ways to Soften Sound

Earplugs are the simplest tool for night noise, and for many people they are the one that works best. Soft foam earplugs, rolled between your fingers and placed gently in the ear, can lower the level of outside sound a great deal, and they are cheap and easy to carry. They take a night or two to get used to, because they feel strange at first, and some people find them uncomfortable, but most people who keep trying find that the feeling fades. It is important to use clean earplugs, to replace them regularly, and not to push them in too far.

Some people prefer soft sleep headphones, which are a fabric band with flat speakers inside, and these let you play a gentle sound without anything hard pressing into your ear. Others use a small speaker in the room instead, so nothing touches their ears at all. Which one suits you is a personal choice, and there is no need to spend a lot of money to find out. A low-cost pair of foam earplugs is a sensible first try, and if they do not suit you, a speaker or a fabric headband is the next thing to try.

A word of care is needed here. Earplugs and headphones should soften sound, not block out everything, because you still want to hear an alarm, a smoke alarm, or a child calling in the night. If you use earplugs, set a loud alarm, or use a vibrating alarm if your phone or watch has one. If your ears feel sore, itchy or blocked after using earplugs, stop using them and let your ears rest, and ask a health professional if the problem does not settle. Comfort and safety matter as much as quiet.

A Steady Background Sound Can Help — If You Use It Right

One of the oldest tricks for noisy nights is to add a steady, gentle sound of your own, so that sudden noises from outside do not stand out so sharply. A fan, a recording of rain, or a simple white noise sound can fill the room with an even background, and when a car passes or a dog barks, the jump from quiet to loud is smaller, so your brain is less likely to wake you. This is why many people find that a fan helps them sleep, even when the room is not hot.

The key is to keep the sound low and steady. It should be just loud enough to soften the background, not so loud that it becomes a noise problem of its own. If you need to raise your voice to talk over it, it is too loud. A low, even sound that you barely notice after a few minutes is about right. Some people like rain or a fan, others prefer a plain humming sound, and a few find any added sound distracting. There is no right answer for everyone, and a few nights of trying will tell you more than any article can.

It also helps to keep the sound going all night, or to use a timer that fades it slowly, rather than letting it stop suddenly in the middle of the night. A sudden silence can wake you just as a sudden noise can, because your brain notices the change. If you use a phone app for the sound, put the phone on silent so that messages and calls do not break through, and keep the phone charging away from your pillow.

What to Do When a Noise Wakes You in the Middle of the Night

Even with the best preparation, some nights a sound will still wake you, and what you do in the next ten minutes decides whether you fall back asleep quickly or lie awake for an hour. The first rule is simple: do not look at the clock. Checking the time feeds the worry, because it turns a small waking into a calculation about how many hours you have left, and that calculation keeps your mind busy when it should be settling. If you must know the time, glance once and then turn the clock away. Lying still with your eyes closed, breathing slowly and letting your body go heavy again, is often enough, because the waking was caused by the sound, not by your body being ready to get up.

If you are still awake after ten or fifteen minutes, and your mind is filling with thoughts, staying in bed and fighting it usually makes things worse. Get up quietly, go to another room if you can, and do something calm in dim light for a short while: read a few pages of a book, sit by a window, or drink a small glass of water. Do not switch on bright lights, do not pick up your phone and start scrolling, and do not start working or doing chores, because those things tell your brain that the night is over. After ten or twenty minutes, when your eyes feel heavy again, go back to bed. Many people find that this short break works far better than an hour of tossing and turning, because it breaks the link between the bed and the feeling of being awake and frustrated.

It also helps to have this plan decided before the night begins, rather than trying to think of it at two in the morning when you are tired and annoyed. Tell yourself in the evening: if I wake, I will lie still first, and if I am still awake after a short while, I will get up for a few minutes and come back. Having a plan takes away the feeling of being helpless, and that feeling is often what keeps people awake longer than the sound itself. Over a few weeks, many people find that the wakings become shorter, not because the street has gone quiet, but because they no longer turn a short waking into a long one.

Your Evening Routine Matters More Than You Think

Noise is harder to sleep through when your body is already wound up, and much easier when you are genuinely ready for sleep. A late, bright, noisy evening, with a screen in your face, a heavy meal, and a rush to finish work, leaves your mind alert at exactly the time you want it to calm down. A slower evening does the opposite. Dimming the lights, putting the phone away, and doing something quiet for the last half hour before bed gives your brain a clear signal that the day is ending.

Keeping a regular bedtime helps too, because your body learns when to feel sleepy. If you go to bed at a similar time most nights, and get up at a similar time most mornings, your body settles into that pattern, and you fall asleep more quickly, which means less time lying awake listening to the street. A short walk in the evening, a warm shower, or a few minutes of quiet reading can all help the body slow down. None of these things removes the noise outside, but they make you less likely to be woken by it, and quicker to fall back asleep if you are.

What you eat and drink in the evening matters as well. A very heavy meal late at night can leave you uncomfortable, and too much tea, coffee or sweet drinks in the evening can keep you alert. A light evening meal, eaten a couple of hours before bed, and a glass of water rather than a late caffeinated drink, is a kinder way to end the day. Small changes like these do not sound impressive, but they add up, and over a week they can change how a noisy night feels.

In a busy household, the evening routine is often the hardest part to protect, because other people are still living their evening while you are trying to wind down. If the television is on in the next room, or family members are talking loudly in the kitchen, a quiet last hour can feel impossible. In that case, the answer is not to ask the whole house to go silent, which rarely works, but to make a small corner of calm for yourself. Put on soft earplugs an hour before bed, or use a low fan sound in your room while you read, so the house sounds reach you softened. Agree on a simple household rule if you can, such as keeping voices lower after a certain hour, or moving loud conversations to one room. A little give on both sides is usually enough. You do not need a silent house. You need one room, for one hour, to feel a little calmer than the rest of the evening.

When Noise Is Not the Only Reason You Wake Up

Sometimes noise gets the blame for a bad night when something else is also going on. If you wake up often, feel tired in the morning even after a long night in bed, or find your mind racing with worries as soon as the house goes quiet, the noise may only be the trigger, not the whole cause. Worry, a busy mind, a room that is too hot or too cold, or a bed that is uncomfortable can all make sleep lighter and easier to break.

It helps to be honest with yourself about this. If the street is quiet on some nights and you still sleep badly, noise is probably not the only factor. If you wake at the same time every night, or if you wake feeling breathless or with a dry mouth, it is worth speaking to a health professional, because those patterns can have causes that a curtain or an earplug cannot fix. There is no shame in asking. Sleep problems are common, and a short conversation can save months of tired nights.

It is also worth talking to the people you live with, and, where it is sensible, to neighbours. Many house noise problems improve with a simple, polite conversation: a television turned down after a certain hour, a washing machine run earlier in the evening, or a door closed gently instead of slammed. Most people do not realise they are keeping someone awake, and a calm request works far better than a complaint made when you are tired and angry. You cannot control the whole street, but you can often improve the sounds closest to your bed.

My Take:

If you ask me what I think about sleeping in a noisy place, I will tell you honestly that I have a lot of sympathy for anyone who has to do it, because it is one of those problems that sounds small to other people and feels huge at two in the morning. People who sleep in quiet houses often say, just ignore it, as if ignoring a motorcycle at midnight were a matter of willpower. It is not. Your brain is built to notice sudden sounds, and telling yourself to ignore them only makes you listen harder. The first thing I would say to a friend in this situation is that the problem is real, and you are not being difficult or weak for finding it hard.

I think the most useful change in thinking is to stop aiming for silence and start aiming for a smaller gap between quiet and loud. Silence is rarely possible in a busy street or a full house, and chasing it can leave you frustrated night after night. But softening the noise, even a little, changes how your brain reacts to it. A closed window, a heavy curtain, a towel under the door, and a low fan sound together do not make the street disappear, yet they turn a sharp shock into a dull background, and that is often enough for sleep to win. I like practical steps like these because they are cheap, they are in your control, and you can try them tonight without waiting for anyone else to change.

I also believe the evening matters far more than people give it credit for. In my view, many noisy nights go badly not because the noise is worse that night, but because the person went to bed already wound up, with a bright screen in their hand and a busy mind. A calmer last hour does not stop the traffic, but it does mean you fall asleep faster, and falling asleep faster means fewer hours lying awake listening. I would rather spend effort on the evening routine, which I can control, than on the street outside, which I cannot. That is not giving up. It is choosing the battle you can actually win.

Earplugs are something I would recommend trying, even though I know they feel strange at first. I have heard many people say they tried them once, did not like the feeling, and never tried again. I think that is a shame, because the first night is the worst night, and by the third or fourth night most people forget they are wearing them. The trick is to use soft foam plugs, to put them in gently, and to keep them clean. If they truly do not suit you, a small speaker with a low rain sound is a good alternative. The point is not to find the perfect product. It is to find the one small tool that takes the edge off the night for you, and then to stick with it long enough to know whether it works.

I want to say something about the worry that follows a noise, because I think it causes more lost sleep than the noise itself. You hear a sound, you wake, and then your mind starts counting: it is two o’clock, I have work in five hours, I will be useless tomorrow. That thinking keeps you awake long after the sound has gone. I cannot promise a trick that switches worry off, but I have found that having a simple plan helps. If you wake, do not check the clock every few minutes. Let the sound pass, breathe slowly, and remind yourself that one broken night does not ruin a whole week. It sounds too simple to work, and yet it is often the difference between drifting back to sleep in ten minutes and lying awake for two hours.

There is also a human side to this that I think is worth naming. Noise at night is often a shared problem, and it is easier when people in a house talk about it kindly. A family that agrees on a quiet hour, or a neighbour who learns that their late music reaches a bedroom next door, can solve in one conversation what months of silent suffering cannot. I would always start with a polite word, at a calm time of day, rather than a complaint shouted through a wall at midnight. Most people want to be good neighbours. They just need to know what is happening.

I think children deserve a special mention here, because parents often worry most about them. A child who wakes at every sound is not being naughty, and a baby who wakes in the night is not doing it on purpose. Their sleep is lighter at some stages, and their brains are learning what is safe to ignore. A steady bedtime, a dark room, and a low, even background sound can help a child settle, and the same calm evening that helps an adult helps a child too. What matters most is regularity. Children feel safe when the same things happen at the same time each night, and that safety makes it easier for them to fall back asleep after a noise wakes them.

For older people, my view is a little different, because their sleep is naturally lighter, and they often wake earlier. An older person who wakes at a noise at four in the morning may not fall back asleep at all, and that can make the whole day feel long and tiring. I think a comfortable bed, a warm room, and a simple routine matter even more at that age, along with a little patience. If an older family member is waking often, it is worth asking them how they feel in the day, not just how they slept, because daytime tiredness tells you more than a single bad night.

I would also be honest about limits. No curtain, earplug or fan will fix a street where building work runs all night, or a house where someone is seriously unwell and needs care through the night. In those cases, the answer may be a different room for a while, a change in hours, or a conversation with the people responsible. Pretending a small fix will solve a big problem only leads to disappointment. I prefer to say plainly: try the small steps first, because they help most people, and if they do not help enough, look at the bigger picture instead of blaming yourself for failing to sleep through something no one could sleep through.

My final view is a gentle one. Sleep in a noisy place is not about being tough. It is about making the night a little softer, a little steadier, and a little kinder to your brain. Close the gaps, soften the sharp sounds, calm the evening, and give yourself a few nights to get used to any change. If you wake, do not fight the night. Let the sound pass, and let sleep come back in its own time. Most people find that, with a few small changes and a little patience, noisy nights become shorter and less tiring, even if the street outside never goes quiet. That, to me, is a realistic hope, and it is worth holding on to.

I also think it is worth saying what I would do first, if I had only one evening and no money to spend. I would close the gaps: shut the window properly, pull the heavy curtain across, and roll a towel along the bottom of the bedroom door. Those three things cost nothing, take five minutes, and they change the sound of the room straight away. Then I would put a fan on low, or play a rain sound quietly from my phone, so the sudden sounds outside have something steady to compete with. Then I would put the phone away, dim the light, and read for twenty minutes instead of scrolling. If I had a little money, the next thing I would buy is a pack of soft foam earplugs, because they are cheap and they work for most people. That order matters: the free steps first, then the cheap ones, and only then think about bigger changes like new curtains or a better window. Too many people start by shopping for an expensive answer when the free answer was sitting in their room all along.

For people who rent their home, I would add a different piece of advice. You cannot rebuild a rented room, and you should not spend money on changes you cannot take with you. But you can take earplugs, a small fan, a heavy curtain and a rug, and those travel with you to the next home. If the noise comes from the building itself, such as thin walls or a rattling window frame, it is worth telling the landlord calmly, in writing, because a loose window or a broken door seal is a repair, not a favour. You may not get a new window, but you may get a draught strip fitted, and that is a real improvement. If the noise comes from a neighbour, the same calm approach applies. Most neighbours do not know they are keeping you awake, and a polite conversation at a calm time of day works far more often than people expect. I would never start with anger, because anger turns a neighbour into an opponent, and you still have to live next to them the next day.

There is one more habit I want to mention, because I think it quietly ruins more nights than any single sound: picking up the phone when you wake. You wake at three in the morning, you reach for the phone to check the time, and before you know it you have read three messages, checked the news, and your mind is wide awake. The phone does not just show you the time. It shows you the whole world, and the whole world is the opposite of sleep. If you need an alarm, use a simple alarm clock, or put the phone face down across the room where you cannot reach it without getting up. The night will feel longer at first, because you cannot distract yourself from it, but it will also feel calmer, and you will fall back asleep sooner than you did on the nights you spent scrolling in the dark.

I would also say a word to anyone who sleeps in a different place for a while, such as travelling for work or staying with family. The first night in a new place is almost always the worst, because your brain does not know which sounds are safe to ignore yet. That is normal, and it passes. Taking something familiar helps: your own earplugs, a small speaker with the sound you use at home, or even a pillow from home. These things sound small, but they tell your brain that bedtime is bedtime, even in a strange room. By the third night, most people find the new sounds have faded into the background, and they sleep almost as well as they do at home. Patience on those first two nights is worth more than any gadget.

And finally, I think we should be kind to ourselves about bad nights. Everyone has them. A wedding in the next street, a storm, a baby who will not settle, a neighbour who comes home late: some nights are simply loud, and no amount of preparation will make them perfect. The test of a good plan is not whether it gives you a perfect night every time. It is whether it gives you a better night most of the time, and whether it helps you recover quickly after the bad ones. If you sleep badly one night, do not spend the next day telling yourself the whole week is ruined. Go to bed at your normal time the next night, follow the same small steps, and let your body catch up. Sleep is forgiving that way. One bad night is just one bad night, and the next night is a fresh chance.

One last practical habit I would suggest is keeping a very short note of what works for you. It does not need to be a diary. Just one line in the morning, for a week or two: what you changed, and how the night felt. Earplugs on, window shut, fan low, and then a word or two about the morning. After two weeks, you will have a small record that is worth more than any article, because it is about your room, your street and your sleep. You will see which changes actually helped and which ones only sounded good, and you can stop doing the ones that did not help. Sleep advice is general, but your nights are specific, and a few lines of your own notes will tell you more about them than a hundred articles ever could.

Frequently Asked Questions

What do people notice first when they ask “how to sleep well when it is noisy outside”?

People usually notice that sudden sounds wake them far more than steady background noise, and that once they wake, they start listening for the next sound, which keeps them awake longer than the noise itself. They also notice that the same noise feels worse on nights when they went to bed tense or overtired, and easier on nights when they were calm and ready for sleep.

How is “how to sleep well when it is noisy outside” different from one day to the next?

It differs because the noise itself changes from night to night, and because your sleep changes too. A busy Friday night on the street is different from a quiet Sunday night, and a night after a long, tiring day is different from a night after a calm one. Your sleep is also lighter in the early morning than in the first hours of the night, so the same sound may wake you at five in the morning but not at midnight.

Can “how to sleep well when it is noisy outside” feel different for children and adults?

Yes, it can. Children often sleep more deeply and may sleep through sounds that wake an adult, while older people often sleep more lightly and wake more easily. Babies wake for their own reasons in the night, and a parent’s brain is tuned to their sounds, so a parent may wake at a small cry but sleep through traffic. Age, habit and what a sound means to you all change how it affects your sleep.

What makes “how to sleep well when it is noisy outside” easier to understand in plain words?

It becomes easier when you think of it as your brain staying on guard at night. Your ears keep working while you sleep, and your brain wakes you when a sound changes suddenly or means something to you. Once you see it that way, the fixes make sense: close the gaps that let sound in, soften sudden changes with a steady background sound, and calm your evening so your brain is less on guard.

In simple words, what does “how to sleep well when it is noisy outside” mean?

In simple words, it means finding practical ways to sleep well even when the street or the house is not quiet. That includes shutting windows and doors properly, using heavy curtains, trying earplugs or a low steady sound, keeping a regular bedtime, and having a calm last hour before bed, so that noise disturbs your sleep less and you fall back asleep more quickly when it does wake you.

Why do people ask “how to sleep well when it is noisy outside” so often?

People ask it so often because noisy nights are very common, in busy streets, shared houses and homes with small children, and because broken sleep affects the whole next day. They want a real answer, not just advice to ignore the noise, and they want steps they can try tonight with things they already have at home.

Sources

• NHS — general health information: https://www.nhs.uk/
• World Health Organization — health topics: https://www.who.int/
• Centers for Disease Control and Prevention — health information: https://www.cdc.gov/
• Mayo Clinic — general health information: https://www.mayoclinic.org/
• Healthline — general health information: https://www.healthline.com/