World Sleep Day is March 13. In recognition of this day and National Sleep Awareness Week the second week of March, our team at AFC Urgent Care Ooltewah wants you to understand the symptoms associated with sleep apnea, one of the most common sleep-related health issues. How Common Is Sleep Apnea? Very common, actually. Sleep apnea affects around 22 million people living in the United States. When a person has sleep apnea, breathing repeatedly stops ...