March 1, 2018 - Adventure Cycling Tour Leader Wade Otey kindly submitted this post to our guest blog. Thanks!
Even with the challenges of sleep apnea, bicycle touring can be accomplished with the assistance of medical technology. My post offers solutions for cyclists that desire to ride the open range, but think their medical condition may inhibit their efforts.
Sleep apnea is a common, chronic respiratory disease involving one or more pauses in breathing or shallow breaths while you sleep. Breathing pauses can last from a few seconds to minutes and may occur 30 times or more an hour. Typically, normal breathing starts again, sometimes with a loud snort or choking sound.
Obstructive sleep apnea is more common in people who are overweight, but it can affect anyone. For example, those with endocrine disorders or small children with enlarged tonsil tissues in their throats may have obstructive sleep apnea.
Sleep apnea requires long-term management. Lifestyle changes, mouthpieces, surgery, and breathing devices can successfully treat sleep apnea in many people.
In January of 2000, while traveling on business, I was hospitalized with a heart arrhythmia called atrial fibrillation. When I got home to Charlotte, North Carolina, I saw my cardiologist and he casually asked if I snored. While replying, “No,” my wife, with me in the exam room, vigorously nodded her head.
The doctor suggested a sleep study, a diagnostic test I was very familiar with having sold diagnostic equipment to the first sleep study clinic in Charlotte, and the results were alarming to say the least. During the course of one hour of the deepest sleep phase, I stopped breathing and partially awoke 47 times, almost once per minute. The atrial fibrillation was a symptom of my heart not getting enough rest at night.
The Continuous Positive Airway Pressure (CPAP) machine they prescribed for me, saved my life. I have slept with this device every night since the diagnosis. The larger CPAP machine I use at home includes a heated humidification system to prevent drying of the nasal and breathing passages. The portable Adaptive Positive Airway Pressure (APAP) machine that I travel with does not have humidification.
With my overall goal of a cross-country bicycle tour in the summer of 2016, I participated in Adventure Cycling’s self-contained, guided tour, Great Parks North, to judge if I could be successful on a self-contained tour. Could I ride, eat, and camp day after day with a battery-powered APAP machine? With the prohibitive expense of an “all motel” trans-America tour I knew I had to rely on camping as my accommodations for a cross-country trip. This test was mostly to see how to maintain sleep apnea support on a nightly basis, using my portable APAP machine. Electricity to charge the battery was my lifeline, so to speak.
To begin learning how to power the APAP with a battery, I worked with the technical support personnel at Human Design Medical to determine the power consumption of the Z1-Auto APAP machine that I use, and determined the battery power needed to run the unit for at least 6.5 hours.
That power requirement led me to Voltaic Power Systems. Working with their technical support, I found my way to a 17-watt, solar, battery-charging panel, that I planned to mount to the top of my BOB trailer, and the V72 lithium ion battery and its 16-volt DC output to run my Z1-Auto.
For the Great Parks North Tour in 2016, I used the BOB trailer and connected the solar panel to the battery every day for recharging, but soon learned that I needed to “top off” the battery at camp every day, both upon arrival and in the morning when I awoke. The panel just wasn’t fully charging the battery. The indicators would show a full charge, but the battery would run out, and the APAP would stop working about 3:30 AM. When the APAP stops working, you know it immediately because all of a sudden there is no air moving in or out — Big Red Flag.
Starting on my Northern Tier, cross-country tour in June 2017, I again planned to pull my BOB with the same setup as before. However, the Cascade Mountains made me realize that I had to make a drastic change in the weight I was carrying. In Sandpoint, Idaho, I cut BOB from the team, shipped him home, and redistributed my gear among four panniers with extra gear bungeed to the top of the rear rack. It was not a great arrangement. Plus, the solar panel became difficult to accommodate. In Michigan, I decided to mail the panel home and depend on morning and evening line charging only.
After completion of the Northern Tier in September, I quickly joined Adventure Cycling’s October Texas Hill Country self-contained tour. For this ride, I decided to try something that I think works better, although it does make my panniers a little heavier: I bought a second battery. I use one while charging the other, then swap them the next night. This is probably how I will tour, in a self-contained format, from now on.
Riding on self-contained tours with sleep apnea is not impossible when technology exists to assist the cycling tourist and help them achieve their goals. Read more about sleep apnea at the National Heart, Lung, and Blood Institute. There’s also great information at the American Sleep Apnea Association.
You can read more about Wade Otey’s bike travel at CrazyGuyOnABike.
Photos by Wade Otey
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Evan, the wheel hub generators offered do not reach the wattage required to offer the minimum amount of charge for the batteries required to run the APAP machine. To reach the amount of power needed the resistance of the wheel rotation would be more than anyone would find acceptable. Those work fine for trickle charging a phone or phone power cell.
What do you mean by "top it off" in the evenings and morning at camp. How did you have access to electricity? You also mentioned: "bought a second battery. I use one while charging the other, then swap them the next night. " So if you're able to charge at night, why have a battery at all?
While there is electricity often available somewhere within the confines of a campground, tent camping is usually limited to non-electrical sites. Therefore battery charging can take place in the bathroom, a friendly occupant of a nearby RV slot, laundry room, or campground office. That's where having 2 helps make sure there is a charge for the next night.
I'm heading off on a cross Canada tour this summer (spread over 2 or 3 summers) and how I would manage my sleep apnea was a concern. You have been very helpful with helping me figure this out. I have purchased the Resmed Airmini, the 17W solar array and the V72 battery (actually I think I got a V88 battery - a new version). I have yet to try the solar array and the battery, but the AirMini is awesome - small and lightweight. So ... I will report back in a few weeks.
Thanks for your help.
Jeff, It's awesome you are heading out on such an ambitious route, I'm pulling for you & hope you have a great time. Proud also that I could help in some small way. Be Safe!
Wow. Info couldn't be more timely. 10 year CPAP user, usually on shorter motel tours with full sized CPAP, now planning a 2 month mostly camping tour. Any other recommendations out there for travelling CPAP's or batteries?
Gary, Glad to help in any way I can, I will email you directly with my contact info. My ACA Email email@example.com
Very timely, I am soon to be in retirement. Interested in doing some touring. Was trying to figure out how to make the SA work. Thank you for the article
Excellent and a timely article since this answers a lot of, "how can I pull this off?", questions I've been dealing with. Now, one less hurdle holding me back. Thanks! Rob
I went with a 10AH battery, and it gives me 2 nights of 7 hour sleep. I have an article on touring with sleep apnea over at crazyguyonabike.com which goes into a lot more detail.
Danno, What battery do you use? Would you share the make & model? I am open to changing out my gear?
Did u need to use an inverter?
No, in the photo above, there is a female car cigarette lighter adapter in the battery connection, a male lighter adapter in the Z-1. It remains all DC power between these 2. I do carry adapters to power up when in a motel, and/or charge the battery. The weight all adds up...but seeing America at 10 mph is worth the struggle...and the PIE!
Very timely info, thanks for posting it. I'm undergoing the testing now. I had read your journal, I'll have to re-read it.
While I have no touring experience, I do have OSA. I use an oral appliance instead of CPAP type devices. While it took me about a month to transition from my CPAP to the oral device, it works quite well.
Using an oral device would eliminate the need to carry heavy batteries and bulky equipment. It just needs to be cleaned similar to how you clean dentures.
My dentist, who would have made a $1500 sale, recommended against it. He tried and found it did not work for him. One work around I used RE: the added weight, always carry the basins, group gear not needed in camp until AFTER dinner. Then I can struggle in the dignity of my own suffering.
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is there any way to hook up a generator to a wheel to charge your battery?