Sleep clinician discussing alternatives to CPAP with a patient

The two main types of sleep apnea involve different mechanisms. Understanding that distinction helps explain why a diagnosis should guide treatment rather than a general list of anti-snoring products.

Illustration of an adult discussing sleep concerns with a clinician
Illustration: discussing sleep symptoms and treatment options.

Obstructive sleep apnea

In obstructive sleep apnea, the upper airway repeatedly narrows or closes during sleep. Snoring may occur, but noise alone cannot establish how often breathing is interrupted or how serious the condition is.

Central sleep apnea

In central sleep apnea, the signals controlling breathing are disrupted. It should not be described simply as a blocked nose or throat. Relevant health conditions and medicines require clinical consideration.

How clinicians distinguish them

A review of symptoms and history, together with appropriate sleep testing, helps identify the problem. Tell the clinician about medicines and observed breathing changes. Do not try to identify the type from a recording or by comparing yourself with a stereotype.

Why the distinction changes care

Devices and other treatments are selected for a particular clinical purpose. Do not assume that an oral appliance, nasal product or particular pressure device is suitable for every type. Ask what your findings mean, why an option is recommended and how its effect will be checked.

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Sources and further reading

Published by TannerMedico A/S, the manufacturer of Asonor. This article provides general information for adults and does not replace individual medical advice.

About Asonor Team

The Asonor Team at TannerMedico A/S shares information about snoring, sleep and the use of Asonor. TannerMedico is the manufacturer of Asonor. Our articles provide general information and do not replace individual advice, diagnosis or treatment from a healthcare professional.