Feasibility Study to Investigate the Use of a Stress Meter 'Stressometer' Four Times a Day for Two Weeks to Measure Perceived Stress and Correlation of the Results With Measures of Validated Psychometric Questionnaires Related to Anxiety, Stress, and Depression in a Population of Healthy University Students

Inclusion Criteria

Inclusion Criteria: Participants must meet all of the following criteria to be eligible for inclusion in the study: * Enrolled as a university student * Aged 18 years or older * Possession of a smartphone compatible with the Stressometer application * No self-reported psychiatric condition that could interfere with study participation or data collection * Willingness to participate and provision of non-opposition to participate in the study Exclusion Criteria: Participants will be excluded if they meet any of the following criteria: * Presence of any acute or chronic medical condition that may interfere with study participation or data interpretation, including but not limited to psychiatric disorders, severe sleep disorders, endocrine or metabolic diseases, cardiovascular diseases, neurological conditions, acute or chronic pain, respiratory diseases, substance use disorder or addiction, or current pregnancy or postpartum period * Individuals deprived of liberty by judicial or administrative decision * Individuals currently receiving compulsory psychiatric care * Refusal to participate in the study