
Nocturnal coughing, or coughing during sleep, can be distressing and disruptive to sleep. Coughing is a reflex action that protects the body by removing mucus, irritants, and infections from the respiratory tract. Nocturnal coughing can be caused by various factors, including post-nasal drip, gastroesophageal reflux disease (GERD), allergies, asthma, and other health conditions. When lying down, mucus and irritants can pool in the back of the throat, triggering coughing. Treatment options for nocturnal coughing include elevating the head and neck, using a humidifier, cough medicines, lozenges, and addressing the underlying cause. In some cases, consulting a doctor is necessary to rule out more serious causes and discuss potential side effects of medications.
| Characteristics | Values |
|---|---|
| Causes | GERD, postnasal drip, allergies, asthma, bacterial or viral infections, gastroesophageal reflux disease (GERD), heart failure, medication side effects, chronic lung conditions, dry air, dust mites, mold, pet dander, and more |
| Treatments | Cough medicine, humidifier, elevate head and neck, sleep on a wedge pillow, throat lozenges, honey, decongestants, cough suppressants, hydration, nasal decongestant sprays, expectorants, dietary modifications, medication to suppress acid |
| Impact | Sleep disturbances, neuropsychiatric disorders, lower quality of life, anxiety, depression, pain, discomfort |
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What You'll Learn
- Coughing in your sleep can be a symptom of gastroesophageal reflux disease (GERD)
- It could be caused by mucus build-up, which can be remedied by sleeping on your side
- A dry cough at night may be a sign of heart failure
- Asthma and allergies can cause coughing in your sleep
- A humidifier can help alleviate coughing in your sleep

Coughing in your sleep can be a symptom of gastroesophageal reflux disease (GERD)
Coughing in your sleep can be distressing and impact your quality of life. Nocturnal coughing can be caused by a range of factors, one of which is gastroesophageal reflux disease (GERD).
GERD is a gastrointestinal condition characterised by chronic, persistent acid reflux. Reflux occurs when the muscle between the stomach and the oesophagus (the tube that carries food from the mouth to the stomach) fails to tighten properly, allowing acid to squirt back up and irritate the lining of the oesophagus and throat. This backwash of acid is more likely to occur when lying down, as gravity is no longer helping to pull the acid down into the intestine. When acid comes into contact with the vocal cords, it triggers a coughing reflex.
GERD-related coughing may be dry or wet, and may or may not be accompanied by other symptoms such as heartburn, chest pain, hoarseness, and difficulty swallowing. These symptoms can vary in severity, and GERD can be challenging to diagnose in people who experience coughing but no heartburn. If you suspect you have GERD, it is important to seek medical advice, as an accurate diagnosis requires a thorough evaluation of your symptoms.
Treatment for GERD-related coughing typically involves a combination of dietary modifications, lifestyle changes, and medication. Dietary changes include avoiding foods and drinks that trigger acid reflux, while lifestyle changes may involve losing weight, sleeping with your head elevated, and not lying down immediately after eating. Medications such as omeprazole (Prilosec) can also help to suppress acid production.
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It could be caused by mucus build-up, which can be remedied by sleeping on your side
Coughing in your sleep can be distressing and disruptive, and it is often caused by mucus build-up. Mucus build-up can occur when you lie down flat on your back, as the mucus and other irritants can pool in the back of your throat, triggering a coughing reflex. This is known as post-nasal drip and is a common occurrence with colds, flu, allergies, and sinus infections.
To prevent mucus build-up and the subsequent coughing, it is recommended to sleep on your side or with your head elevated. This allows the mucus to drain out of your nose instead of dripping down your throat. You can elevate your head by using extra pillows or a wedge pillow, but be careful not to raise your head too much to avoid neck pain and discomfort. Sleeping on your side is a simple yet effective way to prevent mucus build-up and reduce nighttime coughing.
In addition to sleeping on your side, you can also try natural remedies such as drinking fluids to stay hydrated, using a humidifier, and consuming honey or throat lozenges to soothe your throat. Over-the-counter medications like cough medicines, expectorants, and nasal decongestants can also provide relief by thinning out mucus or drying up post-nasal drip.
If your nighttime coughing persists or is accompanied by other symptoms, it is important to seek medical advice to address the underlying cause and explore further treatment options.
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A dry cough at night may be a sign of heart failure
Coughing in your sleep can be caused by a variety of factors, one of which may be a sign of heart failure. A dry cough at night may be a sign of heart failure, also known as congestive heart failure. This occurs when the heart is unable to pump blood effectively throughout the body, resulting in fluid retention and a gradual decline in the heart's ability to pump enough blood to meet the body's needs. When an individual lies down, fluid builds up in the lungs, causing a dry cough. This is known as pulmonary edema, and it can be life-threatening.
Heart failure is a serious condition that affects millions of Americans and can have various symptoms, including a persistent cough. Other symptoms that may accompany a dry cough and indicate heart failure include shortness of breath, especially during physical activity or when lying down, swelling in the stomach, wrists, legs, or feet, weight gain, and fatigue. It is important to note that these symptoms may seem minor at first, but they can add up and lead to more serious complications. Therefore, if you are experiencing any of these symptoms, it is crucial to consult a doctor for further evaluation and treatment.
The treatment for heart failure typically involves medications and lifestyle changes. Medications such as angiotensin-converting enzyme (ACE) inhibitors, angiotensin II receptor blockers, beta-blockers, and aldosterone antagonists may be prescribed to improve heart function and reduce fluid retention. Lifestyle changes may include adopting a heart-healthy diet, reducing sodium intake, and increasing fluid intake. In some cases, surgery may be necessary to fix heart defects or implant a device that helps the heart pump efficiently.
It is worth mentioning that a dry cough at night can also be caused by other factors, such as acid reflux or gastroesophageal reflux disease (GERD). GERD occurs when the muscle between the stomach and esophagus fails to tighten properly, allowing acid to flow back up and irritate the throat and vocal cords, triggering a cough. Certain medications, such as ACE inhibitors, can also cause a frequent, dry cough as a side effect. Therefore, it is important to consult a doctor to determine the underlying cause of a persistent dry cough and rule out more serious conditions like heart failure.
To manage a dry cough at night and improve sleep quality, some strategies can be employed. Sleeping on a wedge pillow can help with acid reflux and post-nasal drip, as elevation makes it easier to swallow secretions and reduces reflux. Additionally, medication can be used to thin or dry up mucus production in cases of post-nasal drip. For acid reflux, dietary modifications, such as avoiding trigger foods and drinks, can be helpful, along with acid-suppressing drugs like omeprazole (Prilosec). Staying hydrated and using a humidifier can also help soothe the throat and reduce coughing.
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Asthma and allergies can cause coughing in your sleep
Coughing in your sleep can be distressing and disruptive to your sleep. Asthma is a chronic respiratory disease that can cause coughing in your sleep. Nocturnal asthma, or nighttime asthma, is a severe condition that can be caused by various factors. One of the main triggers of nocturnal asthma is exposure to allergens in the evening, which can cause a delayed allergic response. People with asthma are often sensitive to allergens such as dust mites, animal dander, mould, and pollen. Even if exposed to these allergens during the day, the allergic reaction may occur at night, causing asthma symptoms to flare up. Certain sleeping positions can also worsen nocturnal asthma symptoms. Sleeping on your side or front can constrict your lungs, making it harder to breathe, while sleeping on your back can cause mucus to drip down your throat and trigger a cough.
Another factor that can contribute to nocturnal asthma is the temperature of your bedroom. A cool room is generally recommended for better sleep, but cold air is dry and can trigger an asthma attack. Breathing cold, dry air at night can lead to moisture loss in the airways, which is a common trigger for asthma. Additionally, the decrease in epinephrine levels during sleep may predispose individuals to nocturnal asthma. Epinephrine helps keep the muscles in the walls of the bronchi relaxed, but when levels drop, there is a decrease in airway width, which can trigger asthma symptoms.
People with asthma are also twice as likely to develop gastroesophageal reflux disease (GERD), a form of chronic acid reflux that often flares up at night. Acid reflux can irritate the lower oesophagus and lead to airway constriction and increased mucus production, triggering coughing. Additionally, certain medications can trigger nocturnal asthma when taken close to bedtime, including cold medicines, aspirin, vitamins, and even eye drops. It is important to consult a doctor if you experience nocturnal asthma, as daily asthma medications, such as inhaled steroids, can effectively reduce inflammation and prevent nocturnal symptoms.
Allergic rhinitis, a condition causing excess mucus accumulation during sleep, can also trigger coughing in people with asthma. Poor treatment of allergic rhinitis has been linked to a 50% increase in asthma symptoms at night. Obstructive sleep apnoea (OSA) has also been associated with nocturnal asthma, as the throat muscles relax during sleep, obstructing the airways. Finally, viral infections such as colds, the flu, and sinus infections are common triggers for nocturnal asthma attacks. It is important to work with a doctor, allergist, or pulmonologist to create a personalised Asthma Action Plan to manage symptoms and improve sleep quality.
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A humidifier can help alleviate coughing in your sleep
Coughing in your sleep can be caused by a variety of factors, including acid reflux, post-nasal drip, medication side effects, heart failure, or a respiratory virus such as the common cold. A chronic cough can also be a symptom of a more serious condition, such as asthma or COPD.
A humidifier can be an effective tool to help alleviate coughing in your sleep. By adding moisture to the air, humidifiers can increase humidity levels, reducing dryness and irritation in the throat and nasal passages. This moisture can thin and loosen mucus, making it easier to cough up and reducing congestion.
Using a humidifier at night can be especially beneficial, as it can provide a comfortable level of humidity, making breathing easier and reducing the urge to cough. A cool-mist humidifier is generally recommended for use during sleep, as it does not pose the same burn risk as a warm-mist humidifier.
Additionally, some humidifiers are compatible with essential oils, which can further help alleviate coughing. For example, eucalyptus and peppermint oils are known to help open airways and reduce coughing. However, it is important to ensure that your humidifier is suitable for use with essential oils, as oil can damage certain types of humidifiers.
It is also important to use and maintain your humidifier correctly to prevent the growth of dust mites, mold, and bacteria, which can irritate airways. Ensure that you regularly change the water and follow the manufacturer's recommendations for cleaning and replacing filters.
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Frequently asked questions
Coughing in your sleep could be due to several reasons. It could be caused by a postnasal drip, gastroesophageal reflux disease (GERD), allergies, asthma, or other health conditions that irritate your throat and lungs.
Postnasal drip refers to secretions that run down the back of the throat instead of coming out of the nose. This often accompanies a cold, flu, allergies, or sinus infections.
There are several ways to reduce coughing in your sleep. Sleeping with your head slightly elevated, using a humidifier, and staying hydrated throughout the day can help. You can also try over-the-counter medications like cough suppressants, expectorants, or nasal decongestants.
If your nighttime cough lasts for more than a few weeks, it is recommended to consult a doctor to rule out more serious causes, such as heart failure or side effects from medications.











































