Sleep Medicine at St. Joseph Health Medical Group

St. Joseph Health Medical Group provides the only diagnostic site for sleeping disorder patients in Humboldt, Napa and Sonoma Counties, and our convenient locations make it easy for our patients to remain close to home while receiving state-of-the-art care for their sleeping disorders. Call our sleeping disorder experts today and receive the customized health counsel you need to sleep soundly tonight.

Procedures Performed

CPAP Titration Study (CPAP/BIPAP)

Treatment for Sleep Apnea.

MSLT Study

Daytime test that evaluates daytime sleepiness and is a rule-out for Narcolepsy.

MWT Study

Measure the ability of a person to stay awake.

Polysomnography (PSG)

An overnight sleep study in which sleep stages and breathing are monitored.

Pulse Oximetry Screening

Overnight monitoring of SaO2 and pulse which is done at home.

Sleep Consultations

Individual evaluation with a Board-Certified Sleep Medicine Doctors.

Conditions Treated



Restless Legs

Sleep Apnea

Sleep Walking

Our Providers

Our Provider

Gregory Ackroyd, MD
Gregory Ackroyd, MD
Sleep Medicine
City:  Santa Rosa
4.7 out of 5

Meet Our Program Director

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Our Locations

Petaluma - Pulmonary Disease, Sleep Medicine, Neurology

Petaluma - Pulmonary Disease, Sleep Medicine, Neurology

1476 Professional Dr.,
Suite 504
Petaluma, CA 94954
Santa Rosa - Sleep Medicine

Santa Rosa - Sleep Medicine

585 W. College Ave.,
Suite A
Santa Rosa, CA 95401