JDS74: That was my plan exactly. I was just hoping for something more direct, or elegant. Thanks for the reinforcement. ChicagoGranny: He is 31 years old. All data indications are he is still getting 5 - 8 hours of good therapy on it. But it does require constant replacing of the mask by someone els...

My son has recently begun CPAP therapy with a Respironics System 1. He is a heavy, and active, sleeper. He will often throw his mask off during the first few hours of the night. The CPAP machine has a mask alert, but it is not loud enough to wake him up. We need a way to recognize that the mask has ...