Getting Tested Is Easier Than You Think
Getting tested for sleep apnea used to mean spending a night in a sleep lab. Today, most patients can be accurately diagnosed with a home sleep apnea test — a small, portable device you wear in your own bed. Here's everything you need to know.
What Is a Home Sleep Apnea Test?
A home sleep apnea test (HSAT) is a simplified version of a full sleep study that you perform yourself at home. It records key data points needed to diagnose obstructive sleep apnea — primarily breathing patterns, oxygen levels, and airflow — without requiring an overnight stay in a lab.
HSATs are typically ordered by your primary care physician or a sleep specialist. The device is usually shipped to your home, worn for one or two nights, and then returned for analysis by a sleep medicine physician.
What Does a Home Sleep Test Measure?
- Airflow — a small cannula placed under your nose detects breathing
- Blood oxygen saturation (SpO2) — a finger clip measures how well your blood is oxygenated
- Heart rate — tracked continuously throughout the night
- Breathing effort — a belt around your chest or abdomen monitors respiratory movement
- Body position — some devices record whether you sleep on your back or side
How Is the Data Analyzed?
Once you return the device, a sleep medicine physician reviews the data and calculates your Apnea-Hypopnea Index (AHI) — the number of breathing disruptions per hour of sleep. An AHI of 5–14 indicates mild OSA, 15–29 moderate, and 30 or above severe.
Results are typically available within a few business days. Your ordering physician will review them with you and discuss treatment options — which may include oral appliance therapy, CPAP, or lifestyle modifications depending on the severity of your condition.
Home Test vs. In-Lab Sleep Study
HSATs are appropriate for most adults with symptoms strongly suggestive of uncomplicated obstructive sleep apnea. In-lab polysomnography may be recommended if your doctor suspects central sleep apnea, periodic limb movement disorder, narcolepsy, or another complex sleep disorder.
Most major insurance plans — including Medicare — cover home sleep apnea testing when ordered by a physician. Many telehealth services now allow you to consult with a physician online and receive a home sleep test without an in-person visit, making diagnosis more accessible than ever.