Question 1

What is a sleep study and why would I need one?

Accepted Answer

A sleep study helps diagnose sleep disorders such as sleep apnea, insomnia, restless legs syndrome and narcolepsy. We perform overnight sleep studies, called polysomnograms, as well as other tests such as Multiple Sleep Latency Tests. Your provider may recommend a study if you experience excessive daytime sleepiness, loud snoring, waking up gasping for air or ongoing difficulty sleeping.

Question 2

Where are your sleep studies performed?

Accepted Answer

Most sleep studies take place in our hotel-based Sleep Lab at the Courtyard by Marriott San Antonio Downtown/Market Square, which offers a quiet, private setting. High-risk adult and pediatric patients who require full hospital support may have testing performed at University Hospital.

Question 3

What happens during a sleep study?

Accepted Answer

You will arrive in the evening and change into comfortable sleepwear. A sleep technologist will place small sensors to monitor brain activity, breathing, heart rate, oxygen levels and body movement. Your sleep is recorded for diagnostic review. The technologist monitors the study overnight and removes the sensors in the morning.

Question 4

How should I prepare for a sleep test?

Accepted Answer

Your care team will provide specific instructions before your test. In general, patients are asked to avoid caffeine on the day of the study, limit naps and arrive with clean, dry hair free of lotions or oils. Bring comfortable sleepwear and any items that help you sleep comfortably.

Question 5

What should I bring for my child’s sleep study and can a parent stay?

Accepted Answer

For pediatric studies, bring pajamas, comfort items such as a favorite blanket or stuffed animal, clothes for the next day and a list of current medications with dosages. One parent or guardian is encouraged to stay overnight to support their child.

Question 6

How do I schedule or get more information about the Sleep Lab?

Accepted Answer

For Sleep Lab appointments, call 210-358-8587. For sleep medicine clinic appointments, call 210-644-4350. Our scheduling team can assist with referrals and insurance questions.

Question 7

What types of tests may be included in a sleep study?

Accepted Answer

Testing may include polysomnography to measure airflow, oxygen levels, brain waves, and heart rate, as well as EMG for muscle activity or a Multiple Sleep Latency Test for daytime sleepiness and narcolepsy evaluation. Additional testing may be ordered by your provider when medically appropriate.

University Health Sleep Lab - Marriott Hotel

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