Seek care for your breathing and sleep disorders from the team at Antelope Valley Lung Institute Medical Group in Lancaster, California. We are the only pulmonary specialist that has sleep medicine labs and performs our own sleep studies. Call us today for more information. Asthma Bronchitis Bronchoscopy COPD Critical Care Emphysema Internal Medicine Lung Cancer Occupational Lung Disease Pneumonia Pulmonary Diseases Pulmonary Function Testing Insomnia Narcolepsy Restless Leg Syndrome Sleep Apnea Sleep Disorders