Inclusion Criteria:  Residents: having a severe mental illness (> 2 years of contact with psychiatric services and an estimated level of functioning of < 50 on the GAF scale); good command of the Swedish language Staff: supporting one or more residents who take part in the AiMH intervention  Exclusion Criteria:  Residents: having substance abuse as the main diagnosis; comorbidity of dementia or intellectual disability,  Staff: Not having had any contact with AiMH participants.