Definition: Literally meaning “no breath”, apnea is a transient cessation of breathing (often while asleep) that lasts for at least 10 seconds. This results in a lack of air movement into the lungs and can cause oxygen levels in the blood to drop.
Apnea may be due to obstruction of the upper airway or a failure of the brain to initiate a breath.
Pronunciation: ap-nee-uh
Alternate Spellings: apnoea
Examples: When he has apnea, it is almost like he is holding his breath while he is asleep.
