Instituto de Investigaciones del Sueño

The Instituto de Investigaciones del Sueño (IIS) is a specialized medical and research institution headquartered in Madrid, Spain, dedicated to the study and treatment of sleep-related pathologies. Under the leadership of Dr. Diego García-Borreguero, the institute has established itself as an international reference center for conditions such as restless legs syndrome, narcolepsy, and chronic insomnia. IIS operates as both a clinical care provider and a clinical research organization, participating in numerous international Phase II through IV clinical trials for the pharmaceutical industry. The center employs a multidisciplinary approach, combining neurology, pulmonology, and psychology to provide comprehensive diagnostic services including polysomnography and actigraphy. Its research contributions have been instrumental in developing global clinical guidelines for sleep medicine. The institute is recognized for its high standards in clinical research and its commitment to advancing the understanding of sleep disorders through academic and industrial collaborations.