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Harvard Health Blog
Can your CPAP make you sick?
About the Author
Heidi Godman, Executive Editor, Harvard Health Letter
As a service to our readers, Harvard Health Publishing provides access to our library of archived content. Please note the date of last review or update on all articles.
No content on this site, regardless of date, should ever be used as a substitute for direct medical advice from your doctor or other qualified clinician.
The CPAP I use has a water reservoir and specifically calls for distilled water; the water evaporates each night so the reservoir needs to be refilled every night. I clean my CPAP regularly, by hand, and have never gotten sick from it. If a person buys a cleaning machine for their CPAP, wouldn’t the cleaning machine need cleaned also? Are they going to make a machine to clean a machine? Save money and clean your CPAP by hand.
Fully agree. These companies use scare tactics to sell their equipment. Routine maintenance as outlined in the manuals are enough. The reservoir is emptied, rinsed daily (minimally), washed with warm soapy water once per week, more frequently if you can. Mask always need to be washed. The machines do not dissolve skin oils. These need to be washed off daily. Change the cushion at least once per month. I taught and followed up patients at a VA hospital. Of the 4000 plus patients I set up nobody who ever followed instructions ever got sick.
That was an excellent reply Vickie, essentially the cleaning devices are a waste of cash.
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Snoring and Sleep Apnea
This Harvard Medical School guide explains the physical traits and lifestyle habits that contribute to both snoring and sleep apnea. It describes simple things you can do to prevent snoring and offers advice on devices and procedures that may help treat stubborn cases. You’ll also learn whether you should be checked for sleep apnea—and what that testing entails. In addition, you'll receive details and advice about using positive airway pressure (PAP), the gold standard treatment for sleep apnea, as well as several other therapies.
In people with simple snoring, the airway remains open. Sleep apnea is a different story: people temporarily stop breathing many times a night. In people with the most common kind, obstructive sleep apnea, the soft tissue of the palate or pharynx completely closes off the airway. The brain, sensing a drop in oxygen, sends an emergency “Breathe now!” signal that briefly awakens the sleeper and makes him or her gasp for air. A far less common form of this problem is known as central sleep apnea.
How do you know if your snoring is a sign of sleep apnea? In addition to loud, persistent snoring, people usually have pauses in breathing accompanied by gasps and choking noises. Often, people don’t notice these symptoms themselves, but only learn about them from a bed partner or family member.Another telltale sign that should prompt a visit to your doctor is nodding off during the day—a direct result of not getting enough high-quality sleep at night.
Other symptoms that may be caused by sleep apnea include the following:
- nighttime restlessness
- trouble sleeping, with frequent awakenings
- difficulty with concentrating or thinking
- memory problems
- mood changes
- morning headaches
- vivid, strange, or threatening dreams
- nighttime waking to urinate.
Although daytime sleepiness is common with sleep apnea, some people are so used to sleep deprivation that they don’t realize they’re sleepy. Instead, they may see themselves as lazy, lethargic, or not very motivated. Or they may not think it is unusual to fall asleep at a movie or while sitting at dinner with friends. The less appropriate the circumstances (such as waiting in traffic while driving, or during a conversation), the more dangerously sleepy you’re considered to be. In fact, excessive daytime sleepiness can be one of the deadliest complications related to sleep apnea.
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