Sleep apnea: symptoms, testing and treatment

What is obstructive sleep apnea?

In obstructive sleep apnea, or OSA, the upper airway repeatedly becomes narrowed or blocked during sleep. Central sleep apnea is different: it involves the signals that control breathing. This guide focuses mainly on OSA in adults.

Brief awakenings can interrupt sleep without being remembered. Snoring volume therefore does not reliably show how sleep is affecting your body.

Sources: NHLBI: What Is Sleep Apnea?

What makes an evaluation worthwhile?

Breathing pauses, gasping at night and daytime sleepiness are important observations. Some people also report morning headaches or difficulty concentrating. These symptoms can have other causes; the history and testing need to be considered together.

You do not need to be certain you have sleep apnea before making an appointment. Describe what you have noticed and its effect on daily life.

Sources: NHLBI: Symptoms

From a first conversation to follow-up

The details vary by provider and insurance arrangements. Ask who is responsible for each step, especially when your primary care provider, a sleep specialist and a dentist are involved.

1. 01

   Discuss your concerns

   A healthcare provider reviews symptoms and medical history and decides what evaluation is appropriate.

2. 02

   Complete the recommended sleep test

   A sleep study records breathing and other signals; home testing is suitable for some adults, while others need an in-lab study.

3. 03

   Review the findings

   Ask what the results mean alongside your symptoms and whether the recording was adequate.

4. 04

   Agree on treatment and monitoring

   Clarify how benefits, side effects and ongoing symptoms will be assessed.

Sources: NHLBI: Diagnosis · AASM diagnostic testing guideline, 2017, original paper

What might treatment involve?

CPAP delivers air pressure through a mask to keep the airway open. A prescribed oral appliance may be appropriate for selected people. Lifestyle changes, positional approaches and, in certain situations, surgery may also be considered.

A general online questionnaire cannot select the right treatment. Discuss the medical goal and likely practical difficulties. Trouble with a mask or appliance is a reason to ask for help with the treatment.

Sources: NHLBI: Treatment

Quiet is not the only goal

Follow-up also considers the breathing disorder and how you function during the day. Ask what will be checked, whom to contact about problems and when treatment should be reassessed.

If you are struggling to stay awake while driving or doing safety-critical work, stop the risky activity safely. Arrange safe transportation and seek medical advice. This website cannot assess fitness to drive.

Sources: AASM longitudinal testing guidance, 2021 · NHTSA: Drowsy driving

What a sleep study helps explain

A sleep test investigates things you cannot determine by listening to snoring. A home sleep apnea test generally measures breathing-related signals. An in-lab polysomnogram records additional information, including sleep stages. The clinician chooses the test for the question being asked.

Results need to be interpreted with your symptoms. Ask whether the recording was technically adequate, what it showed and whether it answers the original question. Mention if the night was very different from usual.

A report may include unfamiliar numbers and abbreviations. Ask which findings matter for your treatment. Do not choose treatment using an isolated cutoff found online.

Sources: AASM diagnostic testing guideline, 2017, original paper · NHLBI: Diagnosis

Different treatments, a shared need for follow-up

CPAP and mandibular advancement appliances work differently. CPAP uses pressure; the appliance changes the position of the lower jaw. Fitting, possible problems and monitoring therefore differ.

Describe what is difficult: the mask, pressure, cleaning, tooth discomfort or removing equipment during sleep. Specific observations help your clinician. Do not alter prescribed settings based on this article.

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Sources: NHLBI: Treatment · AADSM updated standards, April 2025 · AASM longitudinal testing guidance, 2021

Know who will follow you over time

Ask who arranges follow-up, who explains the results and where to turn if symptoms return. A clear contact plan makes treatment easier to maintain.

Keep your own record of tests and appointments. You do not need to share health information with Snorehelper to read the guides or search the learning center. We do not assess whether a particular treatment is right for you.