Sleep Services

SDI offers the following types of visits and laboratory procedures:

Office Visits and Procedures:

Initial Consultation: A full 45 - 80 minute office visit with a sleep specialist, which includes sleep, medical, and psychiatric histories. This visit may also include a physical examination and lab testing (e.g., bloodwork, urinalysis, drug screen, EKG).

Follow-Up Visit:

A brief 30 – 60 minute office visit with a sleep specialist, usually done to review test results, initiate treatment, or monitor and modify treatment as needed.

Nocturnal Polysomnography (Diagnostic):

Overnight sleep testing performed in accordance with current standards of practice.

Nocturnal Polysomnography with Nasal Continuous Positive Airway Pressure (CPAP):

Overnight sleep testing performed in accordance with current standards of practice, with nasal CPAP added and adjusted to therapeutic pressures.

Split-Night Polysomnography:

Overnight testing that is split between a diagnostic period, usually at the beginning of the recording, and a nasal CPAP period.

Nocturnal Seizure Recording:

Multi-channel EEG recording performed in order to evaluate sleep-related seizures.

Multiple Sleep Latency Test (MSLT):

A test that involves a series of daytime nap opportunities, usually at 9:30 AM, 11:30 AM, 1:30 PM, 3:30 PM, and 5:30 PM, when needed, in order to evaluate daytime sleepiness. The MSLT is desirable for all cases of daytime sleepiness, and is required for the evaluation of narcolepsy.

Maintenance of Wakefulness Test (MWT):

A daytime challenge test in which the patient is given multiple opportunities to nap, but instructed to remain awake during the recording period. The MWT often provides valuable information relevant to the patient’s ability to sustain wakefulness in occupational settings or when performing critical tasks (e.g., driving).

Holter Monitor:

Multi-lead cardiographic (ECG) recording, which can be performed in association with polysomnography when cardiac function, during sleep, is a concern.

Home Sleep Testing:

SDI offers overnight sleep testing in the comfort of your own home.  Visit for more information.