Can asthma kill you in your sleep vector Image

Can Asthma Kill You in Your Sleep? (2025)

by | Updated: Jan 21, 2025

Asthma is a widespread chronic respiratory condition that impacts millions of people globally. While it can usually be managed effectively with medication and routine monitoring, misunderstandings and concerns about its risks still persist—particularly the fear of a fatal asthma attack occurring during sleep.

In this article, we’ll delve into these concerns by examining the nature of asthma, potential complications, and the phenomenon known as nocturnal asthma.

We will also explore the effectiveness of current management strategies to address the question: Can a person die from an asthma attack while sleeping?

Free Access
Tips for Healthy Lungs (PDF)

Download our free guide that has over 100+ of the best tips for healthy lungs.

Can Asthma Kill You in Your Sleep?

While severe, untreated asthma attacks can be life-threatening, it’s rare for one to cause death during sleep. Most individuals awaken due to worsening symptoms and can seek help. However, uncontrolled nocturnal asthma may pose risks, underscoring the importance of effective asthma management.

Sleeping with asthma vector illustration

What is Nocturnal Asthma?

Nocturnal asthma, as the name implies, refers to asthma symptoms that worsen at night. This can be due to a variety of factors, including reclining position, hormonal fluctuations during sleep, exposure to allergens, or cooler nighttime temperatures.

These factors can lead to increased inflammation in the airways, resulting in typical asthma symptoms such as coughing, wheezing, shortness of breath, and chest tightness. In many cases, people with nocturnal asthma may find themselves awakened in the early hours of the morning due to these symptoms.

If an individual with asthma consistently experiences worsening symptoms at night, it might indicate that their asthma is not adequately controlled, and a modification to their treatment plan may be necessary.

Note: Nocturnal asthma can be dangerous because it can interrupt sleep patterns, leading to decreased quality of life, fatigue, and decreased ability to function during the day. Furthermore, severe episodes of nocturnal asthma could potentially be life-threatening if not properly managed. That’s why any changes in nighttime symptoms should be reported to a healthcare provider for evaluation and treatment adjustments if needed.

Nocturnal Asthma Triggers

Several factors can trigger nocturnal asthma, worsening symptoms during the night, including the following:

  • Allergens
  • Reclining position
  • Circadian rhythm
  • Cooler air
  • Gastroesophageal Reflux Disease (GERD)
  • Respiratory infection
  • Sinusitis
  • Postnasal drip

Avoiding these triggers as much as possible and managing them effectively when they can’t be avoided is key to controlling nocturnal asthma.

Note: If you suspect that any of these factors might be contributing to worsening night-time asthma symptoms, it’s crucial to discuss this with a healthcare provider, as your treatment plan may need to be adjusted.

Causes of a Night Time Asthma Attack

Nighttime or nocturnal asthma attacks can be triggered by a number of factors:

  • Allergens: Common bedroom allergens like dust mites, pet dander, or mold can trigger asthma attacks.
  • Sleeping Position: Lying down can lead to increased accumulation of mucus in the airways or changes in blood flow to the lungs, which may worsen asthma symptoms.
  • Hormonal Changes: The body’s natural circadian rhythm influences various hormones that can affect the airways. For instance, the natural drop in adrenaline and increase in histamine levels at night may lead to bronchoconstriction.
  • Cooler Air: Breathing cooler night air can provoke an attack by causing airway constriction.
  • Gastroesophageal Reflux Disease (GERD) . The acid can irritate the airways and trigger an asthma attack.
  • Respiratory Infections: Infections like the common cold or flu can worsen asthma symptoms, which may seem more intense during the quiet hours of the night.
  • Sinusitis or Postnasal Drip: These conditions can exacerbate asthma symptoms. The horizontal position during sleep can worsen postnasal drip and provoke coughing and wheezing.

In case of frequent nocturnal asthma attacks, it’s crucial to seek medical attention to reassess the current management plan and ensure optimal control of the condition.

How to Sleep Better with Severe Asthma

Sleeping with severe asthma can sometimes be challenging due to nighttime symptoms or nocturnal asthma.

However, several strategies can help manage this condition and improve sleep quality:

  • Asthma Control: Regularly take prescribed controller medications to reduce inflammation and prevent asthma symptoms. This is the most critical step in preventing nocturnal asthma symptoms.
  • Avoid Triggers: If possible, remove known asthma triggers from your bedroom. This can include pets, dust mites (with hypoallergenic bedding), and mold (using dehumidifiers). Try to maintain a clean and dust-free environment.
  • Manage GERD: If you have gastroesophageal reflux disease (GERD), managing this condition can help control your asthma. This might involve medication, dietary changes, or avoiding eating close to bedtime.
  • Sleep Position: Elevating the head of the bed can sometimes help reduce symptoms, particularly for individuals with GERD or postnasal drip.
  • Pre-Bedtime Routine: Some people find using a short-acting bronchodilator inhaler before bed helpful. However, this should only be done under the guidance of a healthcare provider.
  • Regular Check-ups: Keep regular appointments with your healthcare provider to ensure your asthma action plan is up-to-date and working effectively.
  • Exercise: Regular physical activity can improve overall lung health and capacity. However, it’s essential to discuss this with a healthcare provider, especially if exercise triggers your asthma.
  • Healthy Lifestyle: Maintaining a healthy weight and avoiding smoking can also help control severe asthma symptoms.
  • Adequate Ventilation: Ensure the bedroom is well-ventilated but not too cold, as both stuffiness and cold air can trigger symptoms.
  • Relaxation Techniques: Practices like deep breathing exercises, yoga, or meditation may aid in relaxation and decrease the stress that can sometimes worsen asthma symptoms.

Remember: Severe asthma requires regular follow-up with a healthcare provider or asthma specialist to ensure optimal treatment. It’s essential to communicate any nocturnal symptoms or sleep disturbances to your healthcare provider, as they may indicate a need for changes in your asthma management plan.

FAQs About Asthma at Night

Why Does Asthma Get Worse at Night?

Asthma can get worse at night due to various factors. Hormonal changes that occur during sleep can affect asthma symptoms. Also, lying down can cause an increase in mucus accumulation or changes in blood flow to the lungs, which can exacerbate asthma.

Exposure to allergens such as dust mites or pet dander, often more prevalent in bedroom environments, can also trigger asthma.

Does CPAP Help Asthma at Night?

Continuous Positive Airway Pressure (CPAP) is primarily used for conditions like sleep apnea, not asthma. There’s limited evidence to suggest that CPAP directly improves asthma symptoms.

However, if a person has both sleep apnea and asthma, effectively treating the sleep apnea with CPAP could potentially lead to improved overall health and better asthma control.

Does Melatonin Improve Sleep in People with Asthma?

Melatonin, a hormone that regulates the sleep-wake cycle, may improve sleep in people with asthma by helping them maintain a regular sleep schedule, but its effects on asthma symptoms are not well-studied.

What is the Best Sleeping Position for Asthma?

Elevating the upper body may help to alleviate asthma symptoms for some people, as it can prevent the accumulation of mucus in the airways. Using extra pillows or a wedge to raise the torso can achieve this.

However, the best sleeping position may vary from person to person. It’s crucial to experiment under the guidance of a healthcare provider to determine what works best.

When to See a Doctor for Nocturnal Asthma

If your asthma symptoms worsen at night, causing coughing, wheezing, chest tightness, or shortness of breath, it’s critical to see a healthcare provider. Increased use of your rescue inhaler or being awakened by symptoms more than twice monthly indicates poor asthma control needing medical attention.

Persistent fatigue due to interrupted sleep or symptoms exacerbated by lying down also warrant a doctor’s visit. In case of an unresponsive asthma attack, seek immediate medical help. Promptly communicate any symptom changes to your doctor for effective asthma management.

Final Thoughts

While asthma can lead to severe complications, death from an asthma attack during sleep is relatively uncommon. The key to reducing this risk is through effective asthma management, which includes regular check-ups, consistent use of prescribed medications, and close monitoring of symptoms.

Nocturnal asthma, a condition where symptoms worsen at night, should be taken seriously, as it often signals that asthma is not well-controlled. Properly addressing nighttime symptoms is crucial for preventing complications and maintaining overall health.

Seeking immediate medical attention for persistent or severe symptoms is vital to avoid potentially life-threatening situations.

Hopefully, this article has provided clarity and reassurance regarding the risks of asthma during sleep, while highlighting the importance of proactive management in ensuring safety and well-being for individuals living with this condition.

John Landry RRT Respiratory Therapy Zone Image

Written by:

John Landry, BS, RRT

John Landry is a registered respiratory therapist from Memphis, TN, and has a bachelor's degree in kinesiology. He enjoys using evidence-based research to help others breathe easier and live a healthier life.

References

  • Sutherland ER. Nocturnal asthma: underlying mechanisms and treatment. Curr Allergy Asthma Rep. 2005.
  • Pinto VL, Sharma S. Continuous Positive Airway Pressure. [Updated 2022 Jul 25]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2023.
  • Savage RA, Zafar N, Yohannan S, et al. Melatonin. [Updated 2022 Aug 8]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2023.

Recommended Reading