Look for chest movements, listen at the nose and mouth for breathing sounds and feel for air movement with your cheek. (health-and-parenting.com)
So the idea of having to practice breathing sounds crazy to many people. (rhettsmith.com)
It tends to flare up at night, and a baby's symptoms often include labored or noisy breathing (you may hear a high - pitched breathing sound when your child inhales), fever, stuffy nose, difficulty swallowing, irritability and a hoarse voice. (whattoexpect.com)