**Denver Sleep: Altitude AC Stealing REM?**

Photograph of Franklin Everett ShawBy Franklin Everett Shaw
August 12, 2025

Have you ever woken up in Denver feeling like you ran a marathon in your sleep, only to realize you just spent the night tossing and turning? It’s not just you. The Mile High City’s unique environment can wreak havoc on your sleep, especially your REM sleep.

Denver’s altitude presents a significant challenge. At 5,280 feet above sea level, the air is thinner, meaning less oxygen with each breath. This lower oxygen saturation can disrupt sleep cycles, particularly REM sleep, the stage crucial for memory consolidation and cognitive function.

REM sleep is when your brain is most active, and your body is essentially paralyzed. It’s also when you dream. Reduced oxygen can lead to more frequent awakenings, shallower sleep, and a decrease in the amount of time spent in REM. This can leave you feeling groggy, forgetful, and irritable.

The dry air in Denver exacerbates the problem. Low humidity dries out your nasal passages, leading to congestion and mouth breathing, further reducing oxygen intake during sleep. This is a double whammy for REM sleep disruption.

So, what can Denver residents do to combat altitude-induced sleep disturbances and reclaim their REM sleep? The answer lies in a multi-pronged approach focusing on humidification, hydration, and optimizing the bedroom environment.

First, invest in a good humidifier. This is not optional; it’s essential. Aim for a humidity level between 30-50% in your bedroom. A cool-mist humidifier is generally recommended, as it’s less likely to cause burns. Clean it regularly to prevent mold and bacteria growth.

  • Challenge: Many people underestimate the importance of humidifier maintenance.
  • Solution: Set a weekly reminder to clean your humidifier thoroughly. Use distilled water to minimize mineral buildup.

Next, hydrate, hydrate, hydrate. Denver’s dry air dehydrates you faster than you realize. Drink plenty of water throughout the day, especially in the hours leading up to bedtime. Avoid sugary drinks and alcohol, as they can dehydrate you further.

  • Pitfall: Relying on thirst as an indicator of hydration.
  • Overcome: Carry a water bottle with you and sip on it consistently throughout the day. Aim for at least eight glasses of water daily.

Optimizing your bedroom environment is also crucial. This means creating a space conducive to restful sleep and maximizing oxygen intake.

  • Keep your bedroom cool, dark, and quiet. These are the golden rules of sleep hygiene. Use blackout curtains, earplugs, or a white noise machine to minimize distractions.
  • Consider a bedroom air purifier. This can help remove allergens and pollutants that can further irritate your respiratory system.
  • Elevate your head slightly. This can help improve airflow and reduce congestion. Use an extra pillow or adjust your bed frame.

Now, let’s address the elephant in the room: supplemental oxygen. Many Denver residents wonder if using supplemental oxygen at night can improve their sleep quality.

The answer is nuanced. While supplemental oxygen can increase blood oxygen saturation and potentially improve sleep, it’s not a one-size-fits-all solution. It’s crucial to consult with a doctor before using supplemental oxygen, as it can have potential side effects.

  • Challenge: Self-diagnosing and using supplemental oxygen without medical supervision.
  • Solution: Talk to your doctor about your sleep problems. They can perform a sleep study to determine if you have sleep apnea or other underlying conditions that may be contributing to your sleep disturbances.

Furthermore, the combination of air conditioning and altitude can create a particularly challenging sleep environment. Air conditioning further dries out the air, exacerbating the effects of altitude.

  • Mitigation: If you use air conditioning, ensure you also use a humidifier to counteract the drying effects. Consider a whole-house humidifier for optimal humidity control.

Let’s consider a real-world scenario. Imagine a Denver resident, Sarah, who consistently wakes up feeling tired and struggles with brain fog. She’s tried various sleep aids with little success.

Sarah implements the strategies outlined above. She invests in a high-quality humidifier, diligently hydrates throughout the day, and optimizes her bedroom environment. She also consults with her doctor, who recommends a sleep study.

The sleep study reveals that Sarah experiences mild sleep apnea, which is exacerbated by the altitude. Her doctor prescribes a CPAP machine and advises her to continue using the humidifier and maintaining good sleep hygiene.

Within a few weeks, Sarah notices a significant improvement in her sleep quality. She wakes up feeling refreshed, her brain fog has lifted, and she’s more productive at work.

This example highlights the importance of a comprehensive approach to addressing altitude-induced sleep disturbances. It’s not just about one quick fix; it’s about creating a sleep environment that supports restful sleep and maximizes oxygen intake.

In conclusion, living in Denver presents unique challenges to achieving quality REM sleep. The combination of high altitude and dry air can disrupt sleep cycles and leave you feeling fatigued. However, by implementing strategies such as using a humidifier, staying hydrated, optimizing your bedroom environment, and consulting with a doctor, you can combat altitude-induced sleep disturbances and reclaim your REM sleep. Don’t let the Mile High City steal your sleep; take control and prioritize your sleep health.

The information provided on Core Wellness Guide is intended for general informational purposes only. The content on this site should not be construed as medical advice, diagnosis, or treatment. Always seek the advice of a qualified healthcare professional before making any changes to your diet, exercise routine, or health regimen. I am not a licensed fitness or health professional. Any exercise or wellness programs or advice you choose to follow are done at your own risk. Core Wellness Guide is not liable for any injuries or damages resulting from the use or misuse of the information on this website. Some of the links on this website are affiliate links, meaning I may earn a small commission if you purchase products through these links. However, I only recommend products that I trust and believe will add value to my readers. Results from fitness and health programs may vary depending on individual factors such as age, gender, and fitness level. Testimonials or success stories on this blog are based on individual experiences and do not guarantee the same results for everyone. This blog may contain links to third-party websites, and I am not responsible for their content, privacy policies, or practices.