Clinical Research Directory

Inclusion criteria * Age \>18 * Working * Signed Informed Consent; * Willing to accept use of all encoded data, including publication, and the confidential use and storage of all data for at least 15 years * Pittsburgh Sleep Quality index score of \>5 Exclusion criteria * Diagnosed with a gastrointestinal infection within 4 weeks prior to screening * Severe gastrointestinal diseases (e.g. inflammatory bowel diseases) * Received any of the following products/medication within 4 weeks prior to screening: systemic antibiotics, prokinetics, prebiotic supplements, probiotic supplements * Concomitant diseases or other circumstances that suggest that the patients are not eligible for participation in the study