Attention: open in a new window. PDFPrintE-mail

Diagnostics and Tests

The first step is often one of several types of sleep studies, including the:

Diagnostic Polysomnogram (PSG) is an overnight sleep study often used to monitor and evaluate the patient to help determine or confirm if there is a sleep disorder, its severity and the best treatment to use.

As you sleep, we will monitor 16 body signals, including your breathing, oxygen levels, heart rate, brain waves, eye movements and muscle movements, with our state-of-the-art equipment. A board-certified physician specializing in Sleep Medicine will then interpret your study, review the technician’s observations, your history and information from your referring physician. If a sleep disorder is discovered, we will work closely with your referring physician to provide ongoing treatment.

Full Night PAP Titration is required if Obstructive Sleep Apnea is strongly suspected or diagnosed during a PSG. Typically this is a full-night study in which  the patient sleeps while wearing a nasal or full-face mask connected to a Continuous Positive Airway Pressure (CPAP) machine to ensure the air pressure is set to the optimum level and the breathing mask is fitted properly. The CPAP machine delivers heated, humidified, pressurized air through tubing to a nasal or full-face mask, which is fitted around the head to keep the patient’s airway open during sleep.

Diagnostic PSG with PAP Titration (Split Night) – If the patient’s physician suspects Obstructive Sleep Apnea, a “Split-Night” sleep study may be ordered. During the first part of the study, a general monitoring and diagnostic evaluation is conducted, usually to confirm Obstructive Sleep Apnea and its severity. If the PSG concludes the patient has sleep apnea, he or she undergoes a Titration study and is then equipped with a CPAP machine during the latter part of the study and the air flow is adjusted to find the best setting. 

Diagnostic Daytime Multiple Sleep Latency Test (MSLT) is a daytime sleep study often used to confirm Narcolepsy and its severity by measuring the degree of daytime sleepiness. To ensure accurate results, it is performed on the morning following an overnight PSG. The patient is asked to nap, usually for less than 30 minutes, every two hours throughout the day, and may nap as many as five times. A technician monitors the brain activity and records how quickly it takes the patient to fall asleep during the naps, after a full night’s sleep, and to record if REM state sleep occurs during any of these napping periods.