Understanding Circadian Rhythm and Its Role in Respiratory Health
If you have a chronic lung condition like COPD, pulmonary fibrosis, or sleep apnea, or if you use supplemental oxygen, you might notice your energy and sleep can be unpredictable. Morning sunlight is a natural tool that many people miss. Getting light early in the day helps set your body’s internal clock, which affects your breathing, alertness, and sleep.


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