- For Patients: Subjects with coma (Richmond Agitation Sedation Scale -4 or -5) lasting > 96 hours from the moment of first evaluation for recruitment, or delirium at the baseline (positive Confusion Assessment Method for ICU) will be excluded. Individuals with cerebral death, aphasia, severe hearing deficit, a prediction of ICU length of stay < 48 hours, exclusively palliative treatment, or without a familiar member able to participate in extended ICU visits and those who are prisioners, unlikely to survive >24hs, re-admitted to the ICU after enrolment in the study will also be excluded.