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Get into a comfortable position. Close your mouth and start inhaling through your nose. Breathe deeply Exhale through your nose or mouth.
You might find it easier to take deep, slow breaths if you are lying down or sitting in a comfortable chair. Try lying on your back on a blanket, sofa, or your bed. Let your arms lie loosely at your sides. You can keep your legs straight or bend your knees slightly. You can also use pillows to support your head and knees if it helps you feel more comfortable. Breathing through your nose can regulate the temperature of the air you’re inhaling and help eliminate harmful irritants, making your breathing more efficient. Try to avoid inhaling through your mouth while you’re deep breathing or just breathing in general. To breathe through your nose, try to keep your mouth closed. Your automatic nervous system will continue breathing, and the breath will come through your nostrils. from your diaphragm so your abdomen expands. Your diaphragm is a sheet of muscle underneath your lungs, and when you breathe deeply, it drops down and gives your lungs room to expand so you can breathe more effectively. To breathe from your diaphragm, inhale deeply through your nose like you’re breathing into your lower belly. You should feel your abdomen expand when you inhale.  If your abdomen doesn't expand when you inhale, your breaths are too shallow. If you’re not sure whether you’re breathing from your diaphragm, try placing your hand over your belly. Then, inhale deeply through your nose, and see if your hand is pushed up by your stomach. If it is, you’re breathing from your diaphragm. You can exhale from either one, depending on what’s most comfortable for you. When you exhale, use your diaphragm to force the air up and out. You should feel your diaphragm fall as you do this. Pause for a moment after exhaling, and then take in another breath when you feel ready. Try practicing deep breathing for 10-20 minutes every day.