Validity of a Supersimplified Device for Diagnosis of Patients With Suspected Obstructive Sleep Apnoea-hypopnoea (OSAH)

Inclusion Criteria: 1. Patients 18 to 75 years of both sexes. 2. clinical suspicion of OSAH defined as subjects with breathing pauses during sleep and / or asphyxiated sounds, with or without excessive daytime sleepiness as measured by the Epworth scale and who have asked for a sleep test to rule out OSAH. 3. Informed consent signed by the patient. Exclusion Criteria: 1. Place of residence more than 100 km from the hospital. 2. inability to perform psychophysical study at home. 3. cardio-vascular disease, cerebro-vascular or respiratory or acute severe unstable as to preclude the proper conduct of studies at home and / or PSG in the laboratory. 4. Patients with chronic insomnia or recognize sleep less than six hours. 5. Patients with depression (both point 4 and 5 are the potential causes of false negatives in a PR for lack of sufficient sleep time). 6. nasal obstruction complete or nearly complete, which prevents obtaining a quality signal with MicroMESAM