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Insomnia is the most common sleep disorder. Insomnia is defined as a recurrent problem initiating sleep, maintaining sleep, and/or waking up feeling un-refreshed, and is associated with problems functioning during the day. Daytime consequences for insomnia include irritability, fatigue, and inattention. The sleep field currently recognizes approximately 30 types of insomnia based on the presumed underlying cause for the sleep disruption.

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To request an appointment at the Johns Hopkins Hospital Sleep Disorders Clinic, please call 443-997-1840.

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