If your family physician has recommended that you begin using a CPAP machine at home as a solution for sleep apnea, you'll have hopefully found that this device improves your quality of sleep. While a conventional CPAP machine can be valuable in your bedroom, you might not want to take it with you when you travel — especially on certain types of trips. The big concern can be the size of the device, as it can take up plenty of space in your luggage.