Tests are performed overnight at the Center or in the patient's home. Results are available quickly. The Sleep Medicine Center operates a main clinic at Barnes-Jewish Hospital and a dedicated pediatric facility at St. Louis Children's Hospital. Common Sleep Disorders Sleep apnea is a serious disorder in which breathing is repeatedly obstructed for a short period, then resumes after a brief awakening. The cycle can repeat hundreds of times a night.
Common symptoms are loud habitual snoring and daytime sleepiness.
If untreated, sleep apnea can contribute to high blood pressure, heart disease, stroke, lung disease and kidney disease. Narcolepsy is a condition that causes daytime sleepiness. Periodic Limb Movement Syndrome involves rhythmic jerking of the feet, knees or hips. The movements cause frequent awakenings and prevent restful sleep. Insomnia is a condition in which falling asleep or maintaining sleep is difficult or impossible.