Sleep apnea

Also known as: Obstructive sleep apnea, OSA, Central sleep apnea, Cheyne-Stokes respiration, Complex sleep apnea, Hypopnea, Mixed apnea, Sleep-related gastroesophageal reflux, Snoring
Sleep apnea occurs when someone stops breathing or has slowed breathing during sleep. It can be mild, moderate, or severe, based on the number of times each hour that breathing stops (apnea) or slows (hypopnea).

The two main types of sleep apnea are:

Obstructive sleep apnea (OSA), which is the result of blocked airflow during sleep, such as from narrowed airways. Other factors, such as obesity, often contribute to obstructive sleep apnea.

Central sleep apnea, which results from a problem with how the brain signals the breathing muscles. This type of apnea can occur with conditions such as heart failure, brain tumors, brain infections, and stroke.

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