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How to Choose a Sleep Study

The Redwood Sleep Center conducts several different sleep studies depending on the clinical situation. We are committed to providing rapid turnaround times for preliminary reports and completed studies. All sleep studies are reviewed by the Medical Director.

For children, please call the Redwood Sleep Center to speak with the Medical Director. We may be able to evaluate the child directly or we may refer you to a sleep center that specializes in handling children.

Full Night or Split Night Polysomnogram

The polysomnogram (PSG) records EEG activity, eye and chin movements, air flow, snoring, oximetry and leg kicks. Physicians may order a full night PSG, which lasts eight hours, or a split night study, which includes PSG followed by continuous positive airway pressure (CPAP) therapy. End-tidal carbon dioxide monitoring is also available.

Multiple Sleep Latency Test (MSLT)

The MSLT assesses the severity of daytime sleepiness in the patient. The patient is given several nap opportunities during which sleep latency and sleep-onset REM are assessed.

Maintenance of Wakefulness Test

This test measures the patient's ability to stay awake and is used to test drivers, truckers and pilots. This test is the standard of the driving and aviation industries.

Ambulatory Sleep Study

The ambulatory sleep study may be suitable for some patients and will be available.

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