Psychological interventions in mental health nursing are evidence-based practices, SINGAWIN often incorporating psychosocial elements, that help individuals cope with symptoms, improve resilience, and enhance recovery from mental health conditions. Key interventions include Cognitive Behavioural Therapy (CBT), Motivational Interviewing (MI), and Dialectical Behavioural Therapy (DBT), which nurses use in a holistic, patient-centered approach that involves assessment, skill-building, therapeutic communication, and care coordination to support overall well-being and address individual needs.