Obstructive Sleep Apnea
Glossary
O Obstructive Sleep Apnea
The Greek word "apnea" literally means "without breath." Obstructive sleep apnea (OSA) is the very common. Left untreated people with sleep apnea stop breathing repeatedly during their sleep, sometimes hundreds of times during the night and often for a minute or longer. With each apnea event, the brain briefly arouses people with sleep apnea in order for them to resume breathing, but consequently sleep is extremely fragmented and of poor quality.
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