Can Sleep Study Results Be Wrong?

Are Sleep Studies accurate?

And in what is perhaps the most important positive of in-home polysomnography for clinicians, in-home sleep studies have high accuracy in diagnosing people with a significant likelihood of having OSA..

What are normal sleep study results?

An index of 5 to 14 indicates a mild level of breathing–and sleep–disturbance. From 15 to 30 is moderate; greater than 30 is severe. The associated drops in blood oxygen levels, known as desaturations, are also measured and categorized. Normal saturation is around 95 percent.

What is a normal sleep apnea score?

Apnea Hypopnea Index (AHI) Based on the AHI, the severity of OSA is classified as follows: None/Minimal: AHI < 5 per hour. Mild: AHI ≥ 5, but < 15 per hour. Moderate: AHI ≥ 15, but < 30 per hour.

Can a sleep study detect heart problems?

There are many good reasons to undergo a sleep study, but let’s start with the most concerning. Left untreated, sleep disorders can lead to serious health problems, including heart disease, depression, hypertension and diabetes. In many cases, a sleep study is the only way to properly diagnose certain disorders.

How long do you need to sleep for a sleep study?

Nearly everyone falls asleep during an in-lab study. In most cases, you do not need a full eight hours of sleep for the doctor to make a diagnosis. Occasionally, you may be prescribed medication to help you sleep during the in-lab sleep study. In the morning the technologist will test and then remove the sensors.

What does sleep apnea look like?

Sleep Apnea Signs: Snoring, Gasping, Sleepiness Loud, persistent snoring. Pauses in breathing, accompanied with gasping episodes when sleeping. Excessive sleepiness during waking hours.

Can home sleep studies be wrong?

After the test, your results will be reviewed by a sleep technologist and sent to your physician. If symptoms persist, your physician might recommend an in-lab study. Home tests can sometimes be inaccurate: For instance, your sensors might fall off during the night. At a lab, a physician is on-site to monitor you.

What if I can’t sleep during a sleep study?

If you absolutely can’t sleep during your study, you may be able to take a sleeping pill. This is one of the questions to ask ahead of time. Unless you take a prescription sleep aid regularly, you’ll be able to use a light over the counter medication like melatonin or Benadryl.

Why do I need a second sleep study?

The most common indication for a second sleep study is to initiate and optimize positive airway pressure treatment to remedy sleep apnea. It sometimes proves impossible to find the most effective pressure settings either as part of an initial study or with a trial of therapy at home.

What is a bad sleep apnea score?

Obstructive sleep apnea is classified by severity: Severe obstructive sleep apnea means that your AHI is greater than 30 (more than 30 episodes per hour) Moderate obstructive sleep apnea means that your AHI is between 15 and 30. Mild obstructive sleep apnea means that your AHI is between 5 and 15.

How many apneas per hour is normal?

CPAP, oral appliances and other sleep apnea treatment options are designed to reduce your AHI, but not necessarily eliminate them. That’s because it’s considered normal for everyone to have up to four apneas an hour. It’s also common if your AHIs vary from night to night.

Can Sleep Apnea be misdiagnosed?

More than 70% of people with sleep apnea experience symptoms of depression, according to a new study published in the Journal of Clinical Sleep Medicine. Researchers say their findings indicate a possibility that the sleep condition could be misdiagnosed as depression.