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Nighttime Asthma (Nocturnal Asthma): Causes, Triggers, and Solutions

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Have you ever experienced wheezing and breathing problems at night? If not, read below to learn about the drama queen of respiratory conditions.

Medically reviewed byDr. Mohammad Saquib Alam

Published At April 28, 2022
Reviewed AtMarch 21, 2025

What Is Nocturnal Asthma?

Imagine your airways deciding to act up even more when the sun goes down. It is nothing, but the doctor gave it a fancy name: nocturnal asthma, where your lungs decide to play tricks when you are trying to sleep peacefully at night. It is like they are saying, "Don’t sleep!" For some unlucky people, the lungs are becoming less sensitive and non-cooperative.

What Causes Nocturnal Asthma?

Have you ever wondered why your asthma seems to get worse at night? It could be because you are lying down, or maybe it is the cooler air in your bedroom, or your hormones affect your rhythm. Don’t be scared. Let's explore the reasons for nighttime asthma.

  • Sinusitis: When you are having a peaceful sleep, a few things happen. Your airways get narrower, which can make you cough. Additionally, if you have some allergies or sinus problems, that mucus dripping down your throat is not doing you any favor.

  • Internal Triggers: If you sleep during the day and work during nighttime, you might still have asthma flare-ups. Scientists have noticed that breathing tests often look worse about four to six hours after you fall asleep; this can be some internal triggers.

  • Air Conditioning: If you're using air conditioning, the cooler, drier air might irritate your airways. Cool airways and moisture loss can affect your airways.

  • Gastroesophageal Reflux Disease: Have you ever had heartburn? If yes, it can make things worse. When stomach acid goes into your throat, it can trigger asthma symptoms. Treating both your heartburn and asthma can often help.

  • Hormones: Lastly, your body's natural hormones also play a role. The epinephrine hormone helps keep your airways open and is at its lowest in the early morning, while another hormone, histamine, can trigger asthma peaks at the same time.

What Are the Common Triggers of Nighttime Asthma?

Let's talk about what can worsen asthma at night. There are some culprit factors:

  • Smoking: Cigarette smoke is the biggest culprit. If you are smoking or living with smokers, it can affect your lungs and make your airways cranky.

  • Allergens: Your bedroom might contain allergens. Dust mites, pet hair, mold, and pollen can all cause trouble. Even if you don't notice them during the day, they can hit you when you get into bed.

  • Diet: Watch what you eat before bed. Some people with asthma might be sensitive to beer, wine, dried fruit, or shrimp. If you eat or drink too close to bedtime, you might be in for a rough night.

  • Medications: Medicines can be tricky, too. Cold medicine, Aspirin, and even eye drops can cause trouble if taken right before bed.

  • Cold Air: Chilly air is another culprit. If your room's too cold or you leave a window open, it might trigger asthma.

  • Medical Conditions: Don't forget about other medical conditions. Colds, flu, and sinus infections may trigger asthma attacks at night.

How Does Sleep Position Affect Asthma?

Ever thought that your sleeping position could be messing with your asthma? If yes, then read ahead to find the reason. When you sleep on your back, thinking of sleeping comfortably, but your lungs are not good at that time. Position? Your chest squeezes, and breathing becomes a chore. It goes to a line of asthma attacks.

But don't get afraid! Flip to your side, and you might get good breathing. Left side, right side - both sides will be your friends, but the left side will take more cake for asthma sufferers.

Remember! Your sleeping pose is a secret weapon against nighttime asthma symptoms. Side-sleeping can help you win!

How to Sleep in the Case of Nocturnal Asthma?

Let's talk about some comfortable sleeping positions that might help you breathe easier at night.

First, try sleeping on your back with your head and shoulders elevated by putting on some pillows. This will give your airways a little lift and help clear out your sinuses. Lots of people find this setup helpful, and it also helps with annoying nighttime asthma flare-ups.

If you are more of a side sleeper, choose the left side and place a pillow between your knees. It's not just comfortable - it can help reduce acid reflux, which is great news because it triggers asthma symptoms.

What Is the Connection Between Sleep Disorders and Asthma?

Sleep disorders and breathing issues? They include sleep apnea and asthma. These two conditions make each other worse.

You're sleeping peacefully, but your airways disturb you. They decide to play hide-and-seek by narrowing or even closing up the airways. That's called obstructive sleep apnea (OSA).

Now, here is where it gets interesting. OSA and asthma? These respiratory troublemakers share some common ground when it comes to symptoms. But wait, they have got this relationship where one is likely to end up with the other. If you are an asthma sufferer who is prone to snoring or cannot seem to get your symptoms under control, then you are near to OSA.

So, if you are battling asthma or sleep apnea, it is worth talking with your doctor.

How to Manage Nighttime Asthma?

Asthma attacks at night can be a real pain, but don't worry - there are ways to handle it.

  • Your regular asthma medicines can do wonders. Inhaled steroids? They keep inflammation down and stop those annoying nighttime symptoms. And if you need an extra boost, a long-acting inhaler or steroid puffer can help keep your airways open and alleviate asthma symptoms.

  • If you are dealing with acid reflux, too, you might need some stomach medicines. But don't just take anything off the shelf - first, talk with your doctor to find what is right for you.

  • Are allergies giving you grief? These can be dust mites, pollen, pet hair, and feathers. It's not always easy, but it can make a big difference.

  • Here's a simple trick: Use a peak flow meter to monitor your lungs throughout the day and night. Once you spot any weird patterns, your doctor can help you devise a plan to manage nighttime asthma.

What Are the Environmental Tips for Reducing Nighttime Asthma Attacks?

Want some more tips to keep asthma from ruining your beauty sleep?

  • Try sleeping with a humidifier, keeping dust out of the bedroom, getting your room temperature just right, and doing some chill breathing exercises.

  • Oh, and try to unplug from your gadgets about half an hour before bedtime.

  • Keep pets out of the bedroom.

  • Close those windows to keep outdoor allergens outside.

  • Make your bedroom sleep environment-friendly.

Conclusion

If you've got asthma, you might notice it gets worse at night. There's no single reason for this - it could be your body's natural rhythms, hormone changes, cooler nighttime temperatures, or even how you sleep. Dealing with asthma that acts up at night? Don't worry; you've got options, including sticking to your regular asthma meds, looking into other health issues that might be making your asthma worse, like acid reflux, and making your bedroom a safe zone for breathing. Remember, everyone's asthma is different, so what works for your friend might not work for you. It's all about finding what helps you breathe easily and sleep well.

Key Takeaway From iCliniq

Most people with asthma can keep it in check and live their best lives. But hey, if you are dealing with this breathless condition, don't panic. Reach out to a doctor who can help you show asthma.

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Frequently Asked Questions

Medications like inhaled steroids, bronchodilators, proton pump inhibitors, using an air purifier at night, not allowing pets to sleep nearby, destressing by meditation, yoga, and breathing exercises before sleeping, and avoiding triggers that cause asthma should be avoided at bedtime.
Sleeping by lying on the left side can control asthma symptoms because this sleeping position keeps the airway open. A pillow between the legs can stabilize the spinal cord and improve the sleeping posture. This sleeping position will also prevent heartburn, which can trigger asthma.
Asthma is worse at night, called nocturnal asthma, causing symptoms like shortness of breath, chest tightness, wheezing, and cough. While sleeping, lying on the left side can control asthma symptoms because this sleeping position keeps the airway open.
Bronchodilators help give quick relief from asthma by opening the airways. Bronchodilators, which belong to the short-acting beta agonists class of drugs like Albuterol, Levalbuterol, and Terbutaline, give immediate relief.
Herbal teas such as black, licorice, eucalyptus, ginger, and fennel tea help alleviate asthma symptoms. Sugary and carbonated drinks and alcohol can worsen asthma.
Mild symptoms will last a few minutes, whereas more severe episodes can last from hours to days. Mild symptoms will spontaneously resolve or might require medications. More severe attacks will require appropriate treatment.
Asthmatics should avoid triggers like air pollution, pets, pests (mice and cockroaches), dust mites, tobacco smoke, mold, disinfectants, and certain foods like soy, peanuts, fish, shellfish, tree nuts, eggs, and cow milk.
Asthma often worsens at night, called nocturnal asthma, which can be prevented by using medications like bronchodilators, avoiding pets, dust, and triggers, using a humidifier, and breathing exercises before sleeping.
Asthma can be controlled using inhaled corticosteroids and leukotriene modifiers. For quick relief, bronchodilators, which belong to the short-acting beta agonists class of drugs like Albuterol, Levalbuterol, and Terbutaline are used.
Cardio exercises like walking, swimming, hiking, yoga, and breathing can improve lung function and help prevent asthma. These activities can increase the lung’s capacity to inhale more oxygen and lessen asthma attacks.
Some asthmatics get relief by steaming because of the clearing of the airways from mucus secretions. But in some asthmatics, the symptoms worsen on steam inhalation. So steam should be used according to the personal health condition.
No, Vicks vaporub can not help with asthma. It might irritate the airways, leading to more mucus secretion. It should be avoided in asthma patients. It is used as a topical cough relieving agent and is safe for children above 2 years of age.
Asthma can be controlled using inhaled corticosteroids and leukotriene modifiers. For quick relief, bronchodilators, which belong to the short-acting beta agonists class of drugs like Albuterol, Levalbuterol, and Terbutaline are used.
Asthma can not be cured. It is a lifelong lung condition but can be managed by following certain lifestyle changes and avoiding triggers that can worsen asthma symptoms. Exercises like walking, swimming, hiking, yoga, and breathing exercises can improve the function of the lungs. This increases the lung’s capacity to use more oxygen.

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