Article · 2 min read
When Do You Need a Sleep Study?
Not sure if you need a sleep study? Learn the symptoms and situations that mean it's time to get tested for a sleep problem.
General information, not medical advice. Read our disclaimer.
TESTING · SLEEP STUDY
Do you need a sleep study?
- A sleep study is the definitive way to diagnose sleep disorders.
- Persistent snoring, fatigue and breathing pauses are key signs.
- Many medical conditions call for sleep apnea screening.
- Early diagnosis leads to better outcomes.
- Ask your doctor whether a sleep study is right for you.
Ask about a sleep study if you have…
- Loud snoring with breathing pauses others notice
- Daytime sleepiness even with enough sleep
- Morning headaches, or waking up unrefreshed
- Restless legs or unusual movements in sleep
- High blood pressure that is hard to control
- Tiredness that affects work or driving
You may need a sleep study if you snore loudly, stop breathing in your sleep, or feel tired during the day. Some health problems are also a reason to get tested. A sleep study is the surest way to find out if you have a sleep disorder.
Which symptoms mean you should think about a sleep study?
- Snoring with pauses — Loud, long-term snoring with breathing pauses that someone has seen.
- Daytime sleepiness — Feeling very sleepy during the day even though you get enough sleep.
- Morning headaches — Headaches when you wake up that fade during the day.
- Poor sleep — Trouble staying asleep, or waking up tired.
- Movement in sleep — Restless legs or unusual movements during sleep.
- Blood pressure — High blood pressure that's hard to control.
- Tiredness — Tiredness with no clear cause that affects your work or driving.
Which health problems may call for testing?
Many health problems are a reason to check for sleep apnea.
- Heart rhythm and pumping — Heart failure or atrial fibrillation (an uneven heartbeat).
- Hard-to-treat blood pressure — Resistant hypertension (high blood pressure that doesn't respond well to medicine).
- Diabetes — Type 2 diabetes with signs of poor sleep.
- Before weight-loss surgery — A checkup before bariatric (weight-loss) surgery.
- Truck and bus drivers — Commercial drivers who need DOT (U.S. Department of Transportation) certification.
Why get tested early?
Ongoing snoring, tiredness, and breathing pauses are key signs. Finding a problem early leads to better results. Talk to your doctor about whether a sleep study is right for you.
TESTING · WHO SHOULD TEST
Health reasons to consider testing
| Why it matters | |
|---|---|
| Heart failure or atrial fibrillation | May warrant sleep apnea testing |
| Hard-to-treat high blood pressure | May warrant sleep apnea testing |
| Type 2 diabetes with poor sleep | May warrant sleep apnea testing |
| Before weight-loss surgery | Part of the check before surgery |
| Commercial drivers | Needed for DOT (driving) certification |
Common questions
Do I need a referral for a sleep study?
Trusted medical sources
This page follows guidance and research from leading medical organizations.
Further reading
- NHLBISleep Studies
- AASMWhat to Expect at a Sleep Center
- Mayo ClinicPolysomnography
- NIHSleep Disorders
- AASMSleep Education
- CDCSleep Health