Sleep and Aging

Sleep Apnea

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There are two types of sleep apnea: obstructive sleep apnea and central sleep apnea. Obstructive sleep apnea is caused by a narrowing or blockage of the upper airway. In central sleep apnea, the airway is not blocked, but the brain fails to signal the muscles that control breathing. Central sleep apnea is a less common type of sleep apnea.