---
title: What Is Obstructive Sleep Apnea?
description: Learn what Obstructive Sleep Apnea (OSA) is, its causes, symptoms and treatment options. Understand how OSA affects your health and how to manage it.
---

[NZ Blog ](https://www.resmed.co.nz/blog)

# [What Is Obstructive Sleep Apnea?](https://www.resmed.co.nz/blog/obstructive-sleep-apnea-overview)

 Written by [Resmed](https://www.resmed.co.nz/blog/author/resmed) | Dec 17, 2025 7:43:14 PM

[View full post](https://www.resmed.co.nz/blog/obstructive-sleep-apnea-overview)

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