Clinical Research Directory

Inclusion Criteria: * Individuals, male or female, aged 18 years or older (no upper age limit). * Individuals for whom polysomnography (PSG) is indicated as part of routine care, regardless of the specific indication. * Individuals with a reported total sleep time of at least 6 hours, in accordance with AASM recommendations for PSG analysis. * Individuals affiliated with social security or benefiting from a similar system, if applicable, in accordance with local regulations. * Voluntary individuals who have provided oral and written consent after being informed by the research investigator. Exclusion Criteria: * Individuals with an active implantable medical device (e.g., electronic cardiac implant, neurophysiological electrical stimulator). * Individuals with a chest deformity that prevents proper placement of the smartphone on the chest. * Individuals with uncontrolled psychiatric disorders that prevent them from giving full consent to the study. * Individuals unable to understand or speak the official language of the research center. * Individuals currently excluded from another protocol or participating in another interventional research study. * Vulnerable persons or adults under legal protection, including pregnant or breastfeeding women, persons deprived of liberty by judicial or administrative decision, individuals hospitalized without consent, or admitted for purposes other than research (Articles L1121-5 to L1121-8 of the French Public Health Code).