1. Male and female outpatients aged 18-75 years with a history of COVID-19 and monitored by an outpatient physician for mental disorders (anxiety, mood disorders, sleep) within the PASC 2. PCR RNA SARS-CoV-2 negativity at screening/study entry 3. Duration of symptoms >1 and =18 months after detection of COVID-19 4. The mental ability to understand and sign the Informed Consent Form 5. Presence of neuropsychiatric PASC symptoms as determined by A-PASC with a minimum overall score =25 (cognitive score, emotional and functional impairment) 6. FIS questionnaire score =40 7. Psychopharmacological medication (if used) at a stable dose =4 weeks.

1. Male and female outpatients aged 18-75 years with a history of COVID-19 and monitored by an outpatient physician for mental disorders (anxiety, mood disorders, sleep) within the PASC 2. PCR RNA SARS-CoV-2 negativity at screening/study entry 3. Duration of symptoms >1 and =18 months after detection of COVID-19 4. The mental ability to understand and sign the Informed Consent Form 5. Presence of neuropsychiatric PASC symptoms as determined by A-PASC with a minimum overall score =25 (cognitive score, emotional and functional impairment) 6. FIS questionnaire score =40 7. Psychopharmacological medication (if used) at a stable dose =4 weeks.