One week isn't enough. Look for big improvemnts in energy and mental functioning after a few months. Add daily moderate exercise to flush your system with oxygen as you breathe deeply. Find a diet that helps you shed those pounds. Chicken, fish, steak once a week (all broiled) and green vegetables lightly cooked worked for me. Age 68 and on CPAP 16 years. I expect to see my grandkids graduate from college. They are in elementary school now.View Thread