Measles Information

If this is a medical emergency, please call 911. For urgent visits, please see one of our immediate care locations.

If this is a medical emergency, please call 911.

Northwestern Medicine Sleep Center at Grayslake Outpatient Center

In Northwestern Medicine Grayslake Outpatient Center

Call 847.535.8000
Northwestern Medicine Sleep Center at Grayslake Outpatient Center
1475 East Belvidere Road
Suite 203A
Grayslake, Illinois 60030
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Hours of Operation

Monday
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Tuesday
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Wednesday
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Thursday
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Friday
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Saturday
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Sunday
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Phone Numbers

Overview

We provide day and night sleep studies to diagnose and treat sleep disorders, including:

  • Sleep apnea
  • Periodic limb movement disorder
  • Nocturnal behaviors (such as: sleepwalking, talking and eating in sleep, acting out dreams)
  • Narcolepsy

Please note that we are located in Suite 203A.

Parking and Transportation

You'll find no-cost parking in front of the building and next to the Pavilion C entrance. Valet parking is also available.

Why Choose Us

Northwestern Medicine is proud to have five hospitals ranked among "America’s Best" including Northwestern Memorial Hospital, the only Illinois hospital ranked No. 1 for 14 straight years, by U.S. News & World Report, 2025 – 2026. Our physicians, care teams and scientists come together every day with a shared commitment to provide excellent patient care.

We seek to improve the health of the patients and communities we serve by delivering a broad range of services with leading medicine and compassion. What makes us better, makes you better.®