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Sleep Disorders

Sleep Disorders Diagnosed at the Laboratory

Sleep Apnea
People with sleep apnea stop breathing repeatedly during sleep. These periods of apnea can last for 10 to 90 seconds and may occur hundreds of times throughout the night. Besides depriving the body of much needed sleep, this condition may cause cardiac problems and severely lower blood oxygen levels. Loud snoring, gasping for breath during sleep, high blood pressure and excessive sleepiness all characterize sleep apnea.

Nocturnal Myoclonus
Myoclonus is identified as leg thrashing or kicking during the night. People with myoclonus will awaken throughout the night, losing adequate quality sleep. Consequently, they may experience insomnia or excessive sleepiness.

This inherited disease is associated with periods of sleepiness during the day that may be extreme. People with narcolepsy may feel muscular weakness when surprised, angry or amused. They may also experience terrifying dreams or hallucinations when they first fall asleep.