Oh winter! The snow may look pretty but the cold weather is not so fun to deal with. As Canadians, it’s no secret that cold weather comes with dry skin. And when you use a CPAP machine at night, the flow of air through your airway can dry out and irritate your nasal passages. This can cause nosebleeds, nasal congestion and could even make your airway swell up to the point where the therapy will not work properly. So how do we solve this problem?