English Reference

Word

apnea

Phoneticsap·nea

/ˈæpniə/

Definition

n. a medical condition where you stop breathing for short periods while you sleep. It can make you feel very tired during the day.

n. a sleep disorder characterized by repeated pauses in breathing during sleep, typically caused by the collapse of the upper airway. Often associated with loud snoring and daytime fatigue.

Examples

“He was diagnosed with sleep apnea after his wife noticed his breathing stopped.”

“The doctor recommended a CPAP machine to help manage his sleep apnea and improve his quality of rest.”

“Untreated sleep apnea can lead to serious cardiovascular complications, as the body experiences frequent drops in oxygen levels throughout the night.”

Examples

simple

“He was diagnosed with sleep apnea after his wife noticed his breathing stopped.”

contextual

“The doctor recommended a CPAP machine to help manage his sleep apnea and improve his quality of rest.”

complex

“Untreated sleep apnea can lead to serious cardiovascular complications, as the body experiences frequent drops in oxygen levels throughout the night.”

Real-World Examples

“A once-nightly pill cut breathing interruptions by about 44% in a major phase 3 sleep apnea trial, while improving oxygen levels and disease severity.”
ScienceDaily · 1 Sept 2026
“These apneas, as doctors call them, still happen regularly but now they are shorter and far less frequent.”
The Guardian · 16 Sept 2026

Etymology

From a- + -pnea, from the New Latin apnoea, from the Ancient Greek ἄπνοια (ápnoia), formed from ἀ- (a-, “absence of”) + πνοή (pnoḗ, “breathing”).

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry

Level
C1 · Advanced
Frequency
Occasional
Updated

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English Reference