Breathing though your nose also improves sleep apnea and sleep quality, a boon since fatigue makes everything feel more stressful.
When you breathe through your nose, your lungs extract oxygen more efficiently so you can take deeper breaths. Your nose is also a powerful filter, purifying the air you are ingesting, which can lead to better immunity. Breathing though your nose also improves sleep apnea and sleep quality, a boon since fatigue makes everything feel more stressful.