Have you ever waken up in the morning after at least 8 hours of sleep and felt tired or exhausted? If the answer is yes, then you might suffer from sleep apnea, which is a disease that disrupts the flow of oxygen into the body. People suffering from sleep apnea tend to be less active, sleepier, and generally weaker than other people. It is important to know that there is a solution to sleep apnea. Good CPAP supplies can do the trick and they can provide oxygen that they body needs so much. Even if a person does not suffer from this disorder, he or she might still benefit from using such supplies. Using an oxygen mask at night can make a person feel refreshed and full of energy the next morning. The method used in most CPAP supplies is called positive airway pressure. A CPAP machine can make an obstructed breathing possible again, thanks to which a person does not have to suffer anymore. CPAP machines are available on the Internet. They come in different sizes and each one of them is suitable for different people. For a person with mild sleep apnea, a small device might be good enough.