How to Wear a CPAP Chin Strap A CPAP chin strap is designed to help people who struggle with mouth breathing while using a CPAP machine. This device keeps your mouth closed throughout the night, helping to improve sleep quality and therapy effectiveness. Measuring and Sizing the Chin Strap Measure Your Chin Check Strap Size Wrap the measuring tape around the widest part of your chin, just below your mouth. Find the corresponding strap size based on your measurement. Many chin straps are adjustable, allowing you to find the perfect fit. Properly Fitting the Chin Strap 1 Secure the Strap Start by fastening the strap securely under your chin. 2 Adjust the Straps Adjust the straps to ensure a snug but comfortable fit. 3 Check for Comfort Ensure the strap does not feel too tight or too loose. Adjusting the Chin Strap for Comfort Secure Placement Proper Strap Tension The chin strap should be placed directly under your chin, not above your mouth, to avoid any discomfort or pressure on your jaw. Adjust the strap tension to find a balance between tightness and comfort. It should be snug enough to keep your mouth closed but not so tight that it feels restrictive. Adjustments Throughout the Night If you feel any discomfort or tightness during the night, it's okay to adjust the chin strap as needed for optimal comfort and sleep. Tips for Wearing the Chin Strap Overnight Regular Use Wear your chin strap consistently every night to maximize its benefits for your sleep and CPAP therapy. Skin Care Consider using a gentle skin moisturizer on your chin before wearing the strap to minimize friction and potential irritation. Choose the Right Material Opt for a chin strap made from a soft, breathable material that won't irritate your skin.